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Doctor Vaughan's COVID-19 Updates

Doctor Vaughan's COVID-19 Updates

By Mark Vaughan
Dr. Mark Vaughan reviews COVID-19 (Coronavirus or SARS-CoV-2) pandemic news updates. Updates are based on daily news and scientific reports and are usually shorter than 5 minutes. Most of the information is gleaned from the Johns Hopkins Center for Health Security daily updates among other sources of health and medical news stories.

Dr. Vaughan is the Medical Director of the Auburn Medical Group. He also serves on the Board of Directors for Sutter Independent Physicians. Learn about the Auburn Medical Group at

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Paxlovid Available
Paxlovid is for available to treat COVID in patients with certain conditions.
May 26, 2022
4th Shot for Over 50
The FDA has approved a second booster for people age 50 and older.
March 30, 2022
The Vulnerable
People over age 65 and those with immune compromising conditions or medications absolutely need to have their full vaccination series and boosters. The rest of us need to be sensitive to their condition and be OK with wearing masks when we are around them in public.
March 22, 2022
Who Gets a 4th Shot?
A fourth shot or second booster is recommended for certain groups at higher risk for COVID-19.
February 24, 2022
The BA.2 strain of Omicron is currently 3.8% of cases in the US and doubling weekly.
February 22, 2022
Omicron Burnout
Omicron New cases in Placer County have been decreasing for three weeks. The number of cases in general hospital beds and the ICU in Placer County have also been decreasing over the last week.
February 01, 2022
Free Home COVID Tests
Free home COVID-19 test kits are now available through
January 19, 2022
After Omicron
We are rapidly approaching the peak of Omicron and the resolution of the pandemic.  Welcome to the endemic.
January 14, 2022
Omicron Treatment
The approved treatments for Omicron are extremely limited in availability. We are recommending vaccination as the primary means of avoiding detrimental effects of the Omicron Variant.
January 04, 2022
Paxlovid is an antiviral pill by Pfizer which was approved for emergency authorization by the FDA.
December 22, 2021
Omicron is Here
Omicron is responsible for 2/3 of COVID cases both in California and the US.
December 21, 2021
Oral Antivirals
Oral antiviral medications against COVID include Mulnupiravir (already with FDA EUA) and Paxlovid. They decrease risk of death and hospitalization from COVID, but not as well as vaccination.
December 14, 2021
Evusheld is approved as a preventive treatment against COVID for patients with specific risks for COVID.
December 10, 2021
Omicron is Here
Omicron has arrived in nearly half of the United States. What action should we take?
December 09, 2021
Is Omicron Good?
There have been no reported deaths from Omicron… YET. There is reason for hope given the reports of notably mild infections so far in South Africa.
November 30, 2021
Omicron Begins
A new variant of concern in South Africa has been named.
November 29, 2021
Boosters for All Adults
Everyone over age 18 is now eligible for a booster 6 months after receiving their second mRNA vaccine dose.
November 23, 2021
Pfizer Vs. Moderna
A number of European countries are not giving the Moderna mRNA vaccine to people under age 30, yet they prefer it over Pfizer for people over age 30.
November 16, 2021
Pfizer Now for Kids
It's official.  You can now vaccinate children, age 5-11, with the Pfizer Covid vaccine.  Check for a local pharmacy if your children are not already getting vaccinated through school.
November 03, 2021
Cerebral Venous Sinus Thrombosis with Johnson & Johnson Vaccine
The Johnson and Johnson COVID vaccine has an association with a blood clot in the veins around the brain.  It is rare, and it is 30 times more rare in the group most likely to experience it than severe effects of COVID 19 if they don't get the vaccine.  This is not a problem with the mRNA vaccines by Pfizer and Moderna.
November 01, 2021
Can't Vaccinate Children Yet
Approval of the Pfizer vaccine in children, age 5 - 11, is likely to occur after going through review at the FDA, the ACIP, and then the CDC.  Send in a voice message to tell me what you think of the video format.
October 28, 2021
Final Booster Recommendations
Final COVID-19 vaccine booster recommendations have been announced by the CDC.  Click to see if you count as immunosuppressed.
October 22, 2021
ACIP Vaccine Booster Recommendation
The Advisory Committee on Immunization Practices of the CDC recommends that booster shots be given to specific populations six months after receiving their second dose of mRNA vaccine and that anyone who received the Johnson and Johnson vaccine receive a second shot two months after they received their first shot.
October 21, 2021
We Have Same-Day PCR Testing
We now have 30 minute PCR testing at the other medical group for Auburn Medical Group patients who have been exposed to Covid or have possible Covid symptoms.
October 19, 2021
Is J&J Actually a Two Shot Vaccine?
The FDA VRBPAC recommends a booster for Johnson & Johnson vaccines for everyone who received the first dose. This will be considered by the FDA.
October 18, 2021
Third Moderna Shot Recommended
The FDA’s VRBPAC has recommended certain individuals to receive a third dose if the Moderna COVID vaccine.
October 14, 2021
Placer County COVID Numbers Update
Overall, new cases, hospitalizations, and I see you occupation for Covid are improving in Placer County.
October 11, 2021
National Guard Called to Four California Hospitals
The national guard was called to Mercy Medical Center in Redding, California, and three other hospitals in Bakersfield, California to help with the Covid surge.
October 07, 2021
A Second Johnson & Johnson Dose
Johnson and Johnson is applying for approval for a second dose of its COVID vaccine.
October 05, 2021
Over the Peak
Overall new COVID cases, deaths, and hospitalizations are on a decline.
October 01, 2021
Pfizer Booster Update
The final CDC approval for boosters includes people with occupational exposure despite its removal from the FDA EUA by the CDC’s ACIP. It also retains recommendations for proponents with certain health risks both age 50 to 64 and age 18 to 49.
September 24, 2021
Pfizer Booster Approved
The FDA approved administration of a booster to certain groups for the Pfizer Covid vaccine.  It is an emergency use authorization for individuals 65 years old and older, people at risk occupationally or due to institutionalization and people with certain high risk conditions.  It is given at least 6 months after completing the initial two-shot series.
September 23, 2021
FDA VRBPAC Third Shot Clarification
The FDA Vaccines and Related Biologic Products Advisory Committee voted against recommending a third dose to individual 16 years of age to 64 years of age. They did approve a recommendation for giving a third shot to individuals 65 years of age and older. This has not been approved by the FDA yet. It is likely they will approve it shortly.
September 20, 2021
No Boosters for Now
FDA vaccine advisors rejected a recommendation to add boosters for everyone at this time.
September 17, 2021
Miscarriages and COVID Vaccines
There are three new publications supporting the safety of COVID-19 vaccinations during pregnancy.
September 10, 2021
Third Shot
There is some controversy regarding the CDC’s announcement of plans to make third doses of mRNA vaccines available.
September 02, 2021
Natural Immunity
A pre-print study from Israel suggests that natural immunity is superior to V vaccine immunity for COVID-19.
August 30, 2021
LA Summer COVID Vaccine Study
This week’s MMWR reports on a study done over the summer in Los Angeles which found that people who are unvaccinated are five times more likely to get COVID-19. It also found that unvaccinated people are 29 times more likely to get hospitalized compared to vaccinated people if they do get infected.
August 25, 2021
Comirnaty Approved
The Pfizer/BioNTech COVID vaccine, Comirnaty has full FDA approval for age 16 and older.
August 24, 2021
What will Booster Shots Be?
A listener left a message asking about adverse effects and dosing of Covid vaccine boosters.
August 20, 2021
Who Exactly Counts as Immunosuppressed?
The CDC has clarified who is considered immunocompromised enough to receive the third dose of mRNA vaccines. The ACIP of the CDC and the FDA have agreed on appending the Emergency Use Authorization for the mRNA vaccines in individuals who are moderately to severely immunocompromised to receive a third dose booster.  This includes people who have:   Been receiving active cancer treatment for tumors or cancers of the blood  Received an organ transplant and are taking medicine to suppress the immune system  Received a stem cell transplant within the last 2 years or are taking medicine to suppress the immune system  Moderate or severe primary immunodeficiency (such as DiGeorge syndrome, Wiskott-Aldrich syndrome)  Advanced or untreated HIV infection  Active treatment with high-dose corticosteroids or other drugs that may suppress your immune response
August 16, 2021
Immunosuppressed to Get Third Shot
The CDC’s Advisory Council on Immunization Practices unanimously voted to recommend third mRNA vaccine doses for the immunosuppressed.
August 13, 2021
Dr Stock
Edward Nirenberg wrote an excellent blog post addressing Dr. Stock’s presentation to an Indiana school board.
August 10, 2021
Post-Exposure Prophylaxis
REGEN-COV Has been found to be effective in treating vulnerable unvaccinated patients exposed to COVID-19 before they start to have symptoms.
August 06, 2021
What happened In Massachusetts?
A recent CDC MMWR reported on a Delta Variant Outbreak where more vaccinated people were infected than unvaccinated people. This was an exception to national statistics.
August 03, 2021
Our Delta Variant Patients
We are seeing a high number of positive Covid test for our office. We have seen Covid tests positive and people have been vaccinated. We have also had to send a teenager to be admitted to the hospital for COVID-19 causing unstable vital signs.
July 31, 2021
mRNA Vaccines in Children and in Anaphylactics
Studies are being done to see if the mRNA COVID-19 vaccines are safe for use in children and in people who had immediate reactions to their first dose of an mRNA vaccine.
July 27, 2021
Delta Herd Immunity
The Delta variant increases the percentage of people needing to be immune to Covid to achieve herd immunity through increasing the reproduction rate and decreasing vaccine efficacy.
July 23, 2021
Delta Variant in Placer County
Delta Variant is the predominant strain and vaccinated individuals are getting it, although at a lower rate and lower symptom severity.
July 22, 2021
Tennessee Health Official Fired
Dr. Michelle Fiscus, Director of Vaccines-Infectious and Preventable Diseases for the Tennessee State Board of Health was fired by the Governor for encouraging eligible adolescents to get vaccines.
July 15, 2021
Declining Deathrate
Despite a mild increase in early July, the US COVID-19 mortality rate is on the decline with it now in the 150s.
July 13, 2021
July Update
Infection rates are increasing, most likely due to spread of the Delta Variant.
July 02, 2021
Myocarditis Risk in Adolescents
Data indicate that it is much safer for adolescents to receive two doses of an mRNA COVID-19 vaccine than to not get it. This is still true even when considering possible risk of myocarditis caused by the second dose of the vaccine.
June 25, 2021
Second Dose Matters
Not having your second dose of mRNA vaccine allows vulnerability to the Delta variant
June 22, 2021
It’s June 15
Many Covid related mandates have been lifted in California on June 15, but there are still Covid related regulations in some settings.
June 15, 2021
Mix and Match Vaccines for COVID
Studies in Europe suggest that patients may benefit just as much from mixing mRNA vaccines with adenovirus vaccines as getting two doses of the same vaccine.
June 09, 2021
New Case Today
We had a positive case in a symptomatic patient in the office today. This is a Placer County case.
June 04, 2021
Vaccine Apathy
The majority of people yet to be vaccinated are not interested in detailed arguments.
June 03, 2021
Full FDA COVID Vaccine Authorizations
Both Pfizer and Moderna vaccines are expected to receive full FDA authorization in the near future.
June 01, 2021
Employer Vaccine Mandates
The EEOC has stated that employers can’t mandate COVID vaccination of their employees.
May 28, 2021
Novavax Results
Novavax announced 96.4% efficacy against original strain COVID and 86.3% against the B.1.1.7 variant.
May 25, 2021
After Vaccination
After vaccination you should not get antibody test to check for immunity. Both visor and Materna are saying that individuals vaccinated with their products will probably need a booster in the Fall.
May 20, 2021
Revisiting Fact or Fiction
This is a replay of our June 18, 2020 podcast with an updated link to an article in Smithsonian.
May 14, 2021
Take It Off
The CDC has updated their recommended activities for fully vaccinated individuals.
May 13, 2021
Pfizer For Teens
The Pfizer BioNTech Vaccine now has emergency use authorization for use down to age 12.
May 11, 2021
Reconsider Getting Vaccinated
Projections in this weeks MMWR are reason to get vaccinated now rather than later. People with chronic health conditions overall will be many times more likely to benefit from the vaccines than to be harmed.
May 07, 2021
Sign up for your COVID-19 at
May 03, 2021
Choosing Safer Activities
The CDC has published interim activity guidelines for both people who are fully vaccinated and people who are not yet vaccinated.
April 30, 2021
6 Month COVID Effects
A study published in the Journal of Internal Medicine documents that more than half of study patients still have effects from COVID-19 six months following their infection.
April 29, 2021
More Long Term COVID Effects
A study published in Nature on April 22 includes more bad effects of long-term Covid.
April 27, 2021
Who should get the Johnson & Johnson vaccine?
The Johnson & Johnson COVID-19 vaccine is now unpaused. Women under age 50 may want to consider getting one of the mRNA vaccines instead if they have a choice.
April 24, 2021
Vaccine in Pregnancy
This week's article in the New England Journal of Medicine following patients who were pregnant at the time of vaccination finds a good report on safety of the mRNA vaccines in pregnancy.
April 23, 2021
Vaccination Progress
Now more than half of adults in the US have received their first dose of COVID vaccine.
April 20, 2021
More About J&J Vaccine Pause
Both of the Johnson & Johnson Vaccine and the Astro Zeneca Vaccine use an adenovirus vector to deliver RNA to cells.
April 19, 2021
Breakthrough Infections
Data are now available which show that breakthrough infections in fully vaccinated individuals are very rare.
April 16, 2021
CDC’s ACIP Meeting on Johnson & Johnson COVID Vaccine causing Cerebral Venous Sinus Thrombosis
The CDC is advisory committee on immunization practices is meeting today to review the occurrence of cerebral venous sinus thrombosis with thrombocytopenia occurring in six women after receiving the Johnson & Johnson COVID-19 vaccine.  In addition to the thrombocytopenia, these patients also demonstrated antibodies to platelet factor 4.
April 14, 2021
Johnson & Johnson Blood Clots
The Johnson & Johnson COVID-19 vaccine has caused 6 blood clots in women after receiving the vaccine.  Administration of the vaccine is being paused until the CDC's Advisory Committee on Immunization Practices can meet tomorrow.
April 13, 2021
Pfizer Vaccine for Adolescents
Pfizer and BioNTech are requesting that their existing emergency use authorization for the COVID-19 vaccine be expanded to include people down to 12 years of age.
April 12, 2021
Vaccine Passports
There is currently debate on the subject of vaccine passports in the United States.
April 09, 2021
Vaccinating Christians
The single demographic group most likely to refuse vaccination is self described white evangelical Christians.  Help them learn about vaccines.
April 05, 2021
Fully Vaccinated Travel
The CDC announced today that it is safe for fully vaccinated people to travel.
April 02, 2021
Pfizer Against South African Variant
Pfizer has announced results of a six month long study which finds their vaccine highly effective against the South African variant of COVID-19.
April 01, 2021
Pfizer Pfor PChildren
Pfizer-BioNTech announced results of phase 3 trials of their vaccine finding 100% efficacy in children aged 11-15 years.
March 31, 2021
Real World Vaccine Efficacy
Real world efficacy of the mRNA vaccines has been found to be 90% two weeks following the last dose of the vaccine in a .study published in the CDC’s Morbidity and Mortality Weekly Report.
March 29, 2021
Vaccine Treating Long COVID?
Further study needs to be done to determine if vaccine administration actually helps long Covid symptoms rather than just function as a placebo.
March 24, 2021
COVID Immunity
Natural immunity at 90 days appears to be providing 80% protection against COVID-19. It also appears that vaccinated mothers pass on antibodies to protect their unborn babies.
March 23, 2021
Wait for It
People need to continue wearing their masks and social distancing until they are fully vaccinated, two weeks following their final dose of vaccine.
March 22, 2021
Vaccine Eligibility Update
The list of COVID vaccine eligibility criteria continues to grow.
March 19, 2021
What’s the Deal with the Atstra Zeneca Vaccine?
Astra Zeneca has a COVID-19 vaccine in use in several countries, but there has been no mention of an application for use in the US.
March 15, 2021
Novavax Initial Results
Novavax has announced 96.4% efficacy against mild, moderate, and severe disease caused by the original COVID-19 strain. It has an efficacy of 55.4% against the South African strain. It still has 100% protection against severe disease, including hospitalization and death.
March 12, 2021
New Nursing Home Visitation Guidelines
The CDC and the Centers for Medicare and Medicaid services have collaborated to update recommendations for visitation in nursing homes in light of the vaccination of most nursing home residents.
March 11, 2021
Foreign Disinformation
An official at the State Department's Global Engagement Center has identified Russian intelligence service influence on US vaccine news stories.  We cover these vaccine concerns in an Auburn Medical Group video.
March 09, 2021
The CDC has released interim guidelines allowing for non-physical distancing behavior between private parties who have been fully vaccinated.
March 08, 2021
Does UV Light Kill COVID?
Ultraviolet light band C may kill COVID-19, but there are difficulties in using it which may make it impractical.
March 05, 2021
Vaccines for Everyone
The President has announced that the federal government will provide vaccines for all American adults by May.
March 03, 2021
Vaccinated Americans
The CDC will be publishing new guidelines for vaccinated Americans later this week.
March 02, 2021
Johnson & Johnson Vaccine Approved
This weekend the FDA issued an emergency use authorization for the Johnson and Johnson COVID-19 Vaccine produced by their Janssen division.
March 01, 2021
Do COVID Antibody Tests Work?
It appears that a person with a positive COVID antibody test is 10 times less likely to get infected compared to someone with a negative antibody test.
February 26, 2021
There will soon be a nationwide resource for finding available COVID-19 vaccines.
February 25, 2021
Variants of Concern
A pair of California Coronavirus variants have been proposed as being a variant of concern, meaning that it is more easily transmitted and deadlier.
February 24, 2021
An article posted on Nature today describes factors contributing to superspreading of coronavirus.
February 23, 2021
Variant Vaccines
The FDA has notified vaccine companies how they will approve variant vaccines. Moderna is already working on a vaccine for the South African variant of COVID-19.
February 22, 2021
Updated Numbers
Within a week there will have been 30 million confirm cases of COVID-19 in the US with 500,000 deaths. Encouragingly , we have nearly vaccinated 1/8 of the US population.
February 19, 2021
COVID-19 in Pregnancy
Studies find that COVID-19 has more of an effect on pregnant women than non-pregnant controls.
February 18, 2021
Endemic COVID-19
According to a recent article in Nature, COVID-19 is likely to become endemic.
February 17, 2021
Why We Don’t Order Antibody Tests
The FDA admits that it made a mistake in how it allowed antibody tests to be marketed. Antibody tests have not been validated for determining if somebody has immunity to COVID-19.
February 16, 2021
Do Vitamin C and Zinc Help with COVID-19?
A study published in JAMA Network Open finds that treatment with neither vitamin C, zinc, nor a combination does reduce the duration of COVID-19 symptoms.
February 15, 2021
I’m Vaccinated. Now What?
As more of us get vaccinated, some things will change.
February 12, 2021
Auburn Medical Group COVID-19 Update
We are seeing a tremendous reduction in the number of COVID-19 tests for symptomatic patients. Along with that, we are seeing a great reduction in the number of positive test results.
February 11, 2021
Face Masks
The CDC published results of some studies on different ways to improve face masks.
February 10, 2021
Second Dose Experiences
The staff of the Auburn Medical Group describe their personal experiences with getting their second dose of the Moderna COVID-19 vaccine.
February 09, 2021
Placer County Numbers
The numbers look good for Placer County from January, 2021. January has seen a reduction in the number of seven day testing positivity, hospitalizations, and deaths.
February 08, 2021
Getting My Second Shot
This is a recording of my experience of getting my second dose of the Moderna Covid Vaccine.
February 05, 2021
Vaccine Reaction Treatment
Vaccine reaction treatment is easily covered for the vast majority of patients by just taking a couple Tylenol with the onset of any symptoms. Severe reactions which occur at a rate of 2 to 5 per million usually occur within 30 minutes of vaccine administration, and should be treated with emergency medical attention.
February 04, 2021
Can’t Other Vaccine Manufactures Just Make More?
There are significant hurdles slowing the implementation of the COVID-19 manufacturing process in the existing factories of other vaccine manufacturers.
February 03, 2021
Vaccination Progress
Progress is being made in vaccinations both in the US and in the world at large.
February 02, 2021
Changing Vaccines to Keep Up
The current COVID-19 vaccines may have to be changed to be able to effectively protect us against current and future variance of the virus.
February 01, 2021
Johnson & Johnson Vaccine
The Johnson & Johnson vaccine has been found to be 72% effective and could be distributed as early as February.
January 29, 2021
More Virus Variants
The South African Covid virus Variant has been found in South Carolina and Medina is starting vaccine trials specific to the South African Variant.
January 28, 2021
South African Strain (B.1.351)
The current vaccines should still be effective against the more deadly South African strain (B.1.351) of COVID-19. Moderna is looking into adding either a third dose or a new version of their vaccine to give further protection against the South African strain.
January 26, 2021
For daily updates on the vaccine availability in your area check Unfortunately, this is only good for California.
January 25, 2021
South Africa’s B.1.135 Variant
A new variant of the coronavirus called B.1.135, identified in South Africa may be less susceptible to the COVID-19 vaccine and may be able to reinfect those who have already had COVID-19.
January 22, 2021
Bamlanivimab Prophylaxis
Using a synthetic monoclonal antibody (Bamlanivimab) may be a good treatment for people in eminent danger of onset of COVID-19 before getting the vaccine.
January 21, 2021
COVID Autoimmunity
Current research is looking into auto antibodies as a possible cause of severe COVID-19 disease and long Covid. Research is currently being performed to see if patient suffering from these will benefit from anti-rheumatologic drugs now used to treat rheumatoid arthritis and lupus
January 20, 2021
Does vitamin D Help in Covid?
Patients deficient in vitamin D have been found to have worse outcomes in COVID-19. There currently is not strong evidence that vitamin D supplementation helps people who do not have an underlying vitamin D deficiency.
January 19, 2021
Long COVID Treatment
Unfortunately we do not have evidence of effective treatment for Long Covid symptoms, the symptoms that continue long after the presumed end of infection with COVID-19.
January 18, 2021
County Vaccine Delay
All of the local county COVID-19 vaccine online registration channels are currently full. Please try back in the coming weeks.
January 15, 2021
65 y/o El Dorado County Residents Can Sign Up for Their COVID Vaccine
El Dorado County residents age 65 years and older can sign up for the COVID-19 vaccine using a link found at
January 14, 2021
75 Years Old with Sutter HMO
Patients who are 75 years of age or older with a Sutter affiliated HMO plan will be notified regarding receiving the COVID-19 vaccine.  If you have a Sutter-affiliated HMO but have not set up My Health Online, click here to set it up now.
January 13, 2021
Vaccine Rollout Schedule Change Rumor
As of the recording of this episode there is no mention by the CDC, the California Department Public Health, or Placer County health department regarding earlier administration of COVID-19 vaccine to those age 65 and older and those with certain pre-existing health conditions.
January 12, 2021
Vaccine Administration through Safeway
This week begins Vaccine administration through Safeway pharmacies for healthcare workers. You must be signed up through an online link available only to healthcare providers for vaccination at this time.
January 11, 2021
Some (Un)Clarification About Immunity
A study published in Science recently gave information about different forms of immunity over time after infection with COVID-19.  Most people infected with COVID-19 will continue to be immune to it for a long time with few exceptions.  There is a possibility that over time, people given the vaccine will be able to get infected (following exposure to an infected person) with a form of COVID-19 limited to only the upper respiratory tract.  The quickest and safest way to eliminate the threat of this virus is to have as many people as possible get vaccinated.
January 08, 2021
Vaccine Adverse Effects
Serious reversible adverse effects are a 1000 times less common with either of the COVID-19 vaccines compared to death rates without vaccines.  Side effects of renewed hope in the future, joy, elation, and resolved dread of going to work have been described by some who have received the vaccine.
January 07, 2021
Post Vaccine Day 1
Members of our office staff have experienced mild symptoms overnight, but we are fine today, the first day after receiving the moderna COVID-19 vaccine.
January 06, 2021
We Got Our COVID-19 Vaccine!!
The Auburn Medical Group staff was able to get their COVID-19 vaccine injections today.  We still do not have the vaccine in the office to give to patients.
January 05, 2021
Phase 1b and 1c COVID-19 Vaccine Distribution
Phase 1b vaccine distribution includes Frontline essential workers and persons aged 75 years and older. Phase 1c includes those aged 65 to 74 years of age and people age 16 to 64 years of age with conditions at increased risk for severe COVID-19, and essential workers not previously included in phase 1a or 1b.
January 04, 2021
Highly Contagious UK COVID Strain Found in Colorado
A highly contagious strain of COVID-19 that was thought to only exist in the UK until now has been discovered in Colorado.
December 30, 2020
Sacramento Region May Relax Restrictions January 1
The greater Sacramento region may relax on restrictions if we can continue to keep our ICU capacity open until January 1.
December 29, 2020
Wuhan Study Does Not Discourage Face Mask Use
The study of the residents of Wuhan China published in nature in November does not discourage wearing face masks
December 28, 2020
A More Infectious COVID-19 Mutation in the UK
A mutation of the COVID-19 virus was found in England which makes the virus 50 to 70% more transmissible.  Safely, it is not any more deadly and it seems to be equally responsive to vaccination.
December 23, 2020
Phase 1b Vaccine Group
The Advisory Committee on Immunization Practices of the CDC has made a recommendation for who should be included in phase 1B and 1C of COVID-19 vaccination.
December 22, 2020
Registration to Administer the COVID-19 Vaccine
We are going through the registration process with the California Department of Public health to be authorized to administer the COVID-19 vaccine. We do not yet know the earliest it could arrive at our office.
December 21, 2020
Long COVID and Post COVID Syndrome
COVID-19 can last long beyond the regular acute illness for many people. This extended illness has been termed "Long COVID." There’s also a "Post Covid Syndrome" which can be experienced by people having symptoms longer than 12 weeks after their initial infection.
December 18, 2020
Abbott BinaxNOW Home COVID-19 Antigen Test
Abbott also now has a home COVID-19 antigen test which has been given an emergency use authorization by the FDA.  It is called BinaxNOW.
December 17, 2020
Searchable Podcast
You can now search this podcast at
December 16, 2020
Ellume Home COVID-19 Antigen Test has a home antigen test.
December 15, 2020
Link to COVID Questions 2
We are answering questions live on YouTube today at 4:30 PM.
December 14, 2020
Yesterday’s VRBPAC Meeting of the FDA.
The VRBPAC of the FDA voted 17 to 4 to recommend that the FDA grant emergency use authorization to the Pfizer and biotech COVID-19 vaccine. It is expected that the FDA will do this before next week.
December 11, 2020
VRBPAC Meeting Today
The vaccines and related biological products advisory committee of the FDA meets today.
December 10, 2020
Ivermectin or the I-MASK+ protocol Is an anti-parasitic agent with a high incidence of G.I. side effects which has been found in initial study used to suggest an effect on COVID-19. Prospective randomized controlled trial‘s will be done to see if this effect is real.
December 09, 2020
Worldwide ICU mortality for COVID-19 patients was estimated to be 40% in July. A November article in Nature estimated mortality to be 30% for people over age 80.
December 08, 2020
Auburn Medical Group Update
Currently we are only testing people for COVID-19 if they have symptoms. We are also limiting in-office appointments to medical problems which must be evaluated in person and cannot be postponed.
December 07, 2020
General Update
The Moderno vaccine has a date scheduled with the FDA Vaccines and Related Biologics Products Advisory Committee. We expect fatalities from COVID-19 to continue to increase over the following two weeks.
December 04, 2020
CDC Shortens Quarantine
Quarantine following contact with a COVID-19 infected person can be as short as seven days with a negative test result or 10 days without testing.
December 03, 2020
Who Gets Vaccinated First?
The CDC’s Advisory Committee on Immunization Practices met yesterday and has recommended that healthcare providers and residents of long-term care facilities get vaccinated in phase 1A of the coronavirus vaccination program.
December 02, 2020
Be Outdoors
A study published this weekend in the Journal of Infectious Diseases confirms that less coronavirus transmission occurs outdoors compared to indoors.
December 01, 2020
Upcoming CDC ACIP and FDA VRBPAC meetings start tomorrow and December 10.
November 30, 2020
It was the best of times. It was the worst of times.
It looks like mortality will be reaching a peak right as vaccine distribution begins about a month from now.
November 24, 2020
Third Vaccine Found Effective
Astra Zeneca announced their vaccine to be up to 90% effective in preventing infection with COVID-19. This is the third vaccine to be found to be over 90% effective in phase 3 trials.
November 23, 2020
Thanksgiving has valuable resources for everyone in planning how they will have Thanksgiving.
November 20, 2020
COVID-19 Delirium
A study published in JAMA Network today found that 1/3 of elderly patients presenting to an emergency department with COVID-19 had delirium and that delirium was the sixth most common presenting symptom, sometimes even with in the absence of the typical fever, cough, or shortness of breath.
November 19, 2020
In-Home COVID-19 Test
The FDA has granted emergency use authorization for an in-home COVID-19 test.
November 18, 2020
COVID-19 Treatments
There are a few treatments available for either hospitalized or outpatient COVID-19 patients.
November 17, 2020
Two Vaccines that Work
Moderna made an announcement today that they found their candidate coronavirus vaccine to be almost 95% effective at preventing COVID-19.
November 16, 2020
D614G Mutation
The predominant strain of COVID-19 in the world now has a mutation which may decrease its chance of killing people.
November 13, 2020
Valved Masks
Facemasks with unfiltered valves do not decrease the spread of COVID-19. Please do not wear them around other people.
November 12, 2020
Most Affected States
States in the northern Midwest arevthe hardest hit with hospitalizations compared to the availability of hospital beds for their population.
November 11, 2020
Placer County COVID-19 Risk Level
Placer County‘s numbers for adjusted case rate and positivity rate put us at risk for being moved to the red level next week. Wear face masks and distance yourselves to lessen this risk.
November 10, 2020
The Vaccine WORKS
The vaccine developed by Pfizer and BioNTech is effective.
November 09, 2020
Death Numbers
While the percentage of deaths in people infected with COVID-19 decreases, the total number of deaths in the United States is increasing with the increasing infection rate.
November 06, 2020
There were 100,000 new COVID cases in the US yesterday.
November 05, 2020
COVID-19 on Surfaces
A pre-print of an NSF study conducted in Massachusetts finds that the risk of contracting COVID-19 from touching surfaces is low.
November 04, 2020
Providers Practicing Pandering
It appears that medical providers have bern practicing pandering instead of good medicine by the numbers of prescriptions of dexamethasone written this summer.
November 03, 2020
Help Me Find the California Contact Tracing App.
California still has not made the contact tracing app in mobile phones available for its residents . Send in a voice message if you have found updated information on trials using the app in California or information on proposed policies for using such apps in California.
November 02, 2020
World Updates
The Marshall islands gets its first two cases, Melbourne lessons a 111 day lock down, and US deaths increase during a decreasing death rate among severely ill patients.
October 30, 2020
Vaccines Update
The vaccine being studied by Pfizer and BioNTech is delayed because not enough people have come down with COVID-19 in the study to reach a significant number.
October 29, 2020
Make Restaurants Great Again
There are some simple and not-so-simple steps that could be taken by restaurants to increase safety.
October 28, 2020
Time to Make a Difference
It takes about eight days for activity restrictions to make a reduction in COVID-19 spread. It takes about two weeks to see an increase in spread of COVID-19 following relaxation of social restrictions.
October 27, 2020
What Nurses? What Doctors?
As a country once again builds field hospitals for the overflow of COVID-19 patients, where will the needed healthcare providers come from?
October 26, 2020
VRBPAC Recommendation
The FDA’s Vaccines and Related Biological Products Advisory Committee made a recommendation to consider an alternate plan to early emergency use authorization for COVID-19 vaccines.
October 23, 2020
What is Close Contact?
Being within 6 feet of a person for a cumulative time of 15 minutes or more within a day is considered close contact.
October 22, 2020
Are COVID-19 deaths over estimated?
This week’s Mortality and Morbidity Weekly Report from the CDC shows that there have been nearly 300,000 excess deaths in the US already this year compared to the average for the last five years.
October 21, 2020
VRBPAC Meets this Week
The FDA’s Vaccines and Related Biological Products Advisory Committee meets this Thursday.
October 20, 2020
COVID-19 Vaccine From CVS and Walgreens
The Department of Health and Human Serviceshas posted on their website that a COVID-19 vaccine will be distributed to long-term care facilities through CVS and Walgreens pharmacies.
October 19, 2020
Blood Type in COVID-19
Some studies have found a very small differences in risk for contracting COVID-19 according to blood type.  The difference is less than 2%.  It is type O blood that seems to better.  There was no difference found in the rate of death from COVID-19 according to blood type.
October 16, 2020
Vaccines Update
Although the world health organization tells young adults not to expect a vaccine to be available for them until 2022 it is likely that they will be able to get a vaccine in the United States earlier than that.
October 15, 2020
Arizona COVID-19 Experience
Arizona had a significant reduction in COVID-19 cases following the implementation of requirements for wearing masks, social distancing, and closure of certain businesses.
October 14, 2020
Babies Born to COVID-19 Infected Mothers
A study of over 100 babies born to COVID-19 infected mothers found that only two of them tested positive for COVID-19, and none of them had COVID-19 symptoms.
October 13, 2020
Which Age Group Starts a “Hot Spot?”
The CDC’s morbidity and mortality weekly report describes how young adults are the age group most responsible for spreading COVID-19 in hotspot counties.
October 12, 2020
Winter with COVID-19
Will COVID-19 be worse during the Winter? There are too many factors to consider to predict this, but chances are that cases will increase.
October 09, 2020
Asymptomatic COVID-19 Infections
A study by UCL researchers suggests 86% of individuals infected with COVID-19 have symptoms at the time of testing.
October 08, 2020
Monoclonal Antibodies
There are now two companies awaiting approval for monoclonal antibody treatments which have been found to be effective in decreasing the severity of COVID-19 when administered early.
October 07, 2020
CDC update on “How COVID” is Spread”
The CDC updated their webpage on “How COVID is Spread” to account for airborne particles which can remain floating in a room for hours.
October 06, 2020
Taiwan, Again
Taiwan still has just over 500 cases of COVID-19 with only seven deaths this far into the pandemic. They accomplished this through universal mask wearing, widespread testing, strict quarantine enforcement, and contact tracing. They did not have to shut down businesses.
October 05, 2020
COVID-19 Vaccines Update
As phase 3 trials come to an end for front runners Pfizer and Moderna, the companies may be seeking emergency use authorization from the FDA in about a month. Widespread availability of vaccines for the general public would not be expected until near mid-2021.
October 02, 2020
Are COVID-19 tests too sensitive?
The current standard testing is too sensitive for population level screening of the community.
October 01, 2020
Flu Shots Are In
Our supply of flu shots has arrived for patients aged six months to Medicare age..
September 30, 2020
It is more important to avoid indoor settings with people and to wear masks than to work on air purification strategies.
September 29, 2020
Warp Speed Update
Operation warp speed is getting ready to distribute doses of COVID-19 vaccine.
September 28, 2020
COVID-19 Vaccine Approval
Normal approval of a vaccine for distribution n the United States goes through the FDA with advice from the VRBPAC and the CDC with advice from the ACIP.
September 24, 2020
Airline Travel
The published case reports regarding extensive spread of COVID-19 and airlines involved a long 10 hour international flight and almost exclusively affected people sitting within two seats or rows of the infected person.
September 23, 2020
Cats and Eyeglasses
There are cats infected with COVID-19 in Hong Kong and Chinese patients with COVID-19 wear eyeglasses less often than patients who don’t have COVID-19.
September 22, 2020
COVID-19 Aerosols
Studies finding coronavirus lingering in the air as an aerosol do not change recommendations nor evidence for mask wearing and social distancing.
September 21, 2020
Nasal Iodine
A dilute solution of povidone iodine is thought to potentially decrease the risk of catching COVID-19 if applied to the inside of the nostrils following contact with an infected person. This is generally anticipated to be done in a healthcare environment where the person was wearing the proper protective equipment when the contact occurred.
September 18, 2020
Keep Wearing Masks
Despite the recent removal of the state of health emergency in Placer County, we need to continue wearing facemasks to prevent widespread COVID-19 infections.
September 17, 2020
COVID-19 Heart and Brain Effects
Articles in Science and Nature describe heart and brain effects of COVID-19
September 16, 2020
Keep Wearing Masks
A study published in the CDC’s Emerging Infectious Disease finds that wearing a face mask decreases the chance of catching COVID-19 for the person wearing the mask.
September 15, 2020
Vaccines Update
The two front runner vaccines are produced by Pfizer and BioNTech and Moderna. The first phase 3 trials should be completed in late October.
September 14, 2020
A study published in the CDC’s MMWR finds that people positive for COVID-19 were twice as likely to have gone to restaurants as people who tested negative. The same study found that people who tested positive were more than 3 1/2 times more likely to have gone to a coffee shop or bar than people who tested negative.
September 11, 2020
COVID-19 Timeline?
What do we do now? What do we expect for the timeline for the rest of the pandemic?
September 10, 2020
Flu Shots and COVID-19
There is data to suggest that people do better with COVID-19 if they get their flu shot. The Auburn Medical Group now has flu shots appropriate for people age 65 and older in stock. Call for your appointment if you are an existing patient.
September 09, 2020
COVID-19 Vaccine Manufactures Pledge
A statement was released by the executives of nine manufacturers of COVID-19 vaccines stating they will not compromise safety principles and practices in their development and release of their vaccines for COVID-19.
September 08, 2020
Oh COVID, You Heartbreaker
Studies suggest that COVID-19 causes injury to heart cells which may cause a degree of heart failure immediately or later in life.
September 04, 2020
November COVID-19 Vaccine
The CDC sent notifications to the states describing how to roll out a possible vaccination against COVID-19 as early as November 1.
September 03, 2020
Mobile Phone Contact Tracing Now in Your OS
Apple and Google are including contact tracing availability for COVID-19 un their mobile phone operating systems. It is currently operating in iOS 13.7. I encourage listeners to contact their elected representatives to push for making this available in their area.
September 02, 2020
6% (six percent)
The CDC has published that 6% of COVID-19 deaths were due to COVID-19 only.
September 01, 2020
California’s Blueprint for a Safe Economy
It is important to know that a county has to be achieving certain targets for number of new cases per hundred thousand residents and percentage of positive tests for two weeks before changing risk levels in the blueprint for a safe economy.
August 31, 2020
States Continuing COVID-19 Testing
California, Florida, New York, Texas, Connecticut, Illinois, Arizona, and New Jersey plan to continue testing asymptomatic individuals for COVID-19 despite a CDC recommendation to discontinue such testing.
August 28, 2020
Abbot Inexpensive Rapid Antigen Test
Yesterday the CDC gave emergency use authorization to Abbot for an inexpensive rapid COVID-19 test. They also noted that because of its lack of sensitivity, retesting should be considered for the vast majority of patients using this test.
August 27, 2020
Handling Anti-Maskers
The CDC officially recommends to not argue with individuals noncompliant with mandatory mask wearing.
August 26, 2020
In Office Testing
In office testing can be fast, but is it accurate?
August 25, 2020
Oleandrin (Oleander) and COVID-19
Oleandrin has been found to have antiviral activity in a test tube, just like many chemicals. It should not be used as a home remedy for COVID-19. Call poison control at 1-800-222-1222 if you or somebody you are with has symptoms from Oleandrin and toxicity which can include nausea,headache, vomiting, irregular heartbeat and diarrhea.
August 24, 2020
Wildfires and COVID-19
The presence of wildfires and their smoke complicate social distancing measures for COVID-19.
August 21, 2020
Bogus COVID-19 Contact Tracers
Be wary for bogus COVID-19 contact tracers. Cooperate with legitimate contact tracers who will never ask you for payment, credit card information, or your Social Security number.
August 20, 2020
Current COVID-19 Trends
The US peaked in new COVID-19 cases again on July 24. California has plateaued in the number of deaths at around 130 per day.
August 19, 2020
COVID-19 Reinfection
We do not currently have a readily available test to determine if a person with recurrent symptoms of COVID-19 is truly reinfected.
August 18, 2020
SalivaDirect COVID-19 Saliva Test
Yale University has received FDA emergency use authorization for a saliva-based test for COVID-19.
August 17, 2020
Long-Term COVID-19 Immunity Through T Cells Suggeted
A Study published in Cell by the Karolinska Institute in Stockholm suggests that there may be long-lasting immunity after exposure to COVID-19 through T cells.
August 14, 2020
Valved or Vented Facemasks do Not Prevent the Spread of COVID-29.
The CDC has officially posted on its website a warning against the use of valved or vented facemasks for the prevention of the spread of COVID-19.
August 13, 2020
Russian COVID-19 Vaccine
Russia is rolling out an adenovirus-based COVID-19 Vaccine to the public without conducting a phase 3 trial.
August 12, 2020
Post-Acute COVID-19
COVID-19 can have symptoms lasting for months in about 10% of patients testing positive by laboratory evaluation.
August 11, 2020
Mask Wearing: Evidence For and Against
It is easy to find propaganda attempting to convince readers that mask wearing is not beneficial and is even harmful. The truth is, the difference made by mask wearing is small, but can make all the difference in the world if you are among those whose lives are saved by it.
August 10, 2020
Decreasing New COVID-19 Cases
New covered 19 cases are currently decreasing in the United States, in California, and specifically in Placer County. The rate of deaths may not yet have peaked, but is expected to also have a decrease in rate coming soon.
August 07, 2020
Correlation does not imply causation. A logical fallacy is not recognized by many touting the benefits of hydroxychloroquine.
August 06, 2020
Long Term COVID-19 Outlook
The long-term presence of COVID-19 is an unknown. We need to be prepared for possibly having to live with it around us for years. It is of the utmost importance to continue mask wearing, physical distancing, and handwashing.
August 05, 2020
Today’s Headlines
Dr. Vaughan, reviews today’s COVID-19 headlines and answers a listener voice message.
August 04, 2020
College Campus Safe Reopening
An article in JAMA network proposes a model for safely reopening a residential college campus.
August 03, 2020
COVID-19 Duration
A meta-analysis completed by a group in the UK and Italy provides information regarding duration of infectiousness, test positivity, and the reason for the difference.
July 31, 2020
Newsweek Opinions about Hydroxychloroquine
There are two opinion pieces published in Newsweek over the last week with opposite opinions regarding the use of hydroxychloroquine to treat COVID-19. The Key to Defeating COVID-19 Already Exists. We Need to Start Using It  Hydroxychloroquine Is Not a Key to Defeating COVID-19. Find all of Doctor Vaughan’s podcasts at
July 30, 2020
Contact Tracing Apps
The US GAO published information on contact tracing apps.
July 29, 2020
America’s Frontline Doctors
A group clean itself America’s Frontline Doctors released a video from the steps of the supreme court. They make dubious claims about mask wearing and hydroxychloroquine as COVID-19 prophylaxis.
July 28, 2020
Long-Term Illness
An article in the CDC’s Morbidity and Mortality Weekly Report investigated long-term illness in non-hospitalized patients, finding that a significant number of patients still had symptoms 2 to 3 weeks after testing positive.
July 27, 2020
COVID-19 Symptoms
Symptoms of COVID-19 can Include fever or chills, cough, shortness of breath or difficulty breathing, fatigue, muscle or body aches, headache, new loss of taste or smell, sore throat, congestion or runny nose, nausea or vomiting, or diarrhea.
July 24, 2020
What about Air Travel?
Refrain from air travel if possible. Check your potential carriers for policies regarding keeping middle seats free, requiring facemask use of passengers, and screening for fever or symptoms before boarding.
July 23, 2020
Airborne COVID-19 Transmission
There is evidence that virus particles not attached to respiratory droplets may be floating in the air around patients with COVID-19.
July 22, 2020
Household COVID-19 Spread
A South Korean study demonstrated that the novel coronavirus spreads much more within households than it does to non-household contacts. It also found that children age 0 to 9 years are the least at risk for spreading COVID-19.
July 21, 2020
Face Mask Use Increased
The use of cloth face masks increased from April to May overall and among most sociodemographic groups.
July 20, 2020
Lessons from Rwanda
The country of Rwanda is maintaining admirable control over the spread of COVID-19.
July 17, 2020
National Academies Report on School Reopening
The national Academy of Sciences, engineering, and Medicine have written a 100 page report on factors to consider in deciding whether to re-open schools for children. 
July 16, 2020
Hair Stylists Wearing Fave Coverings.
No symptomatic spread of Coronavirus occurred among 139 clients of two symptomatic COVID-19 infected stylists in Springfield, Missouri in May.
July 15, 2020
How can Vaccines be Made so Fast?
Vaccines are being developed and tested at warp speed by manufacturing multiple candidate vaccines at once before the testing is even completed to know which vaccine or vaccines will be found to be safe and effective.
July 14, 2020
Our Clinic Update
We are experiencing pro long turnaround times for COVID-19 testing. We are not currently able to test people who do not have symptoms.
July 13, 2020
Detroit Hydroxychloroquine Study Finds Benefit
In contrast to many prior studies, a study done with 2500 patients in the Henry Ford Hospital system found mortality benefit to early administration hydroxychloroquine to COVID-19 inpatients.
July 10, 2020
Dr. Richard Bartlett’s Silver Bullet
Dr. Richard Bartlett has gone viral on YouTube with his claim of a silver bullet treatment for COVID-19 using nebulized budesonide.
July 09, 2020
5 Vaccine Candidates
There are five vaccine candidates receiving major funding from the United States government. They all use relatively new or completely novel vaccine technology.
July 08, 2020
Coronavirus Stability and Lysol Approved
A study found that the virus lasts for shorter times at colder temperatures, and the EPA approved two Lysol products for SARS-CoV-2.
July 07, 2020
Social Distancing Slows COVID-19 Spread
They study from Princeton University analyzed data supporting the use of non-pharmaceutical interventions to reduce the spread of COVID-19.
July 06, 2020
July 4th Celebrations
The safest way to celebrate the Fourth of July with friends and family is to only be together outdoors, wearing masks, and maintaining 6 feet of distance between yourself and others.
July 02, 2020
Adolescent Attitudes
In article published in JAMA Pediatrics reviews the effects of various influences on adolescent behavior during the COVID-19 pandemic.
July 01, 2020
Who Gets the Vaccine First?
The advisory committee on immunization practices of the CDC has already met to discuss prioritization for administration of a COVID-19 vaccine when it is available.
June 30, 2020
First COVID-19 Vaccine Approved for Administers in Chinese Military.
The Chinese military has received approval for administering a vaccine to members of their armed services. This vaccine was developed by the Chinese military in cooperation with CanSino Biologics.
June 29, 2020
Worse Now. What to Do.
Nationally the numbers are getting worse than they have ever been in the United States. We can do something about it. Wear face coverings when you’re with non-household members, maintain a distance of 6 feet from non-household members. Try to not be indoors with non-household members as much as possible.
June 26, 2020
Keep Wearing Masks
Face coverings are the most important thing, combined with keeping a 6 foot minimum distance from others, that you can do to help prevent sickness and death from COVID-19.
June 25, 2020
Children and COVID-19
Evidence suggests that children can be together without significant risk to them or to their families from COVID-19.
June 24, 2020
Human Challenge Trials for Coronavirus Vaccines
There was a recent opinion piece questioning the appropriateness of human challenge trials for coronavirus vaccine testing.
June 23, 2020
COVID-19 Immunity Duration
And an article published in Nature Medicine suggests that immunity declines rapidly in patients recovering from SARS-CoV-2 infections. Dr. Vaughan explains that this is not the whole story about immunity.
June 22, 2020
Mandatory Face Masks in California
The governor has announced mandatory use of facemasks in California. We go over some of the details.
June 19, 2020
Fact or Fiction: How to Determine COVID-19 Information Reliability
An article published by Nature today gives us eight ways to determine if information is reliable.
June 18, 2020
Global Immunological Observatory
Michael Mina proposes a new way to track emerging infectious threats with a surveillance of blood samples
June 17, 2020
Dexamethasone Helps COVID-19 Patients on Respiratory Support.
The old generic drug, dexamethasone, has been found to be effective in the treatment of COVID-19 patients on ventilators or requiring supplemental oxygen.
June 16, 2020
Superspreading Events
Superspreading events occur when several individuals catch COVID-19 at the same event.
June 15, 2020
Wear Face Masks
A modeling study published by the Royal Society finds that face mask wearing with social distancing can control the spread of the COVID-19 pandemic.
June 12, 2020
Double Lung Transplant
A woman in her 20s had a double lung transplant at Northwestern in Chicago because of the extensive damage done to her lungs by COVID-19.
June 11, 2020
County Health Officers Attacked
California has had 7 county health officers resign since the Pandemic began. Support them #coontyhealthofficials
June 10, 2020
Asymptomatic Spread
A WHO statement made on Monday was clarified today to keep from giving the impression that people without symptoms of COVID-19 are not a major source of spread Of the disease.
June 09, 2020
STOP Retesting
Evidence suggests that retesting coronavirus positive patients after symptoms resolve is not helpful. Patients should be considered to no longer be infectious if they have had at least 10 days since the onset of symptoms and at least three days without symptoms.
June 08, 2020
Revisiting Hydroxychloroquine
Articles in the Lancet in the New England Journal of Medicine based on the study showing increased mortality with hydroxychloroquine have been retracted.
June 05, 2020
Are Children Spreading Coronavirus?
A Dutch study suggests children are not a significant source of COVID-19 spread. Social “bubbles” are a strategy for gradual reconnecting with others socially.
June 04, 2020
Taiwan vs. Sweden
Sweden’s mortality is the highest per capita in the world. Taiwan has still only had 443 cases of COVID-19 with only seven deaths. What did they do differently?
June 03, 2020
Distance and Protection
A review published in Lancet promotes the use of his school doesn’t seem combined with the use of facemasks and eye protection
June 02, 2020
Warp Speed
The United States effort at developing a vaccine for SARS-coV-2is being conducted at warp speed.
June 01, 2020
Coronavirus Saliva Antibodies Test
Saliva testing for Coronavirus antibodies and for RNA and South Korea re-imposing social distancing
May 29, 2020
Reducing Coronavirus Transmission
A Science Perspective reviews the latest information about SARS-CoV-2 transmission.  It emphasizes the importance of face coverings and the role of asymptomatic people in COVID-19 spread.
May 28, 2020
COVID-19 Sewer
Yale University researchers have found that SARS-CoV-2 can be found in wastewater in municipal sewage treatment facilities. Surveillance of viral concentration scan predict community COVID-19 cases by one week and hospitalizations by three days. There are a few states which are seeing a concerning increase in the number of coronavirus cases following re-opening.
May 27, 2020
COVID-19 Treatments
The latest research suggests remdesivir and convalescent serum help COVID-19 patients and hydroxychloroquine (and chloroquine) hurt patients.
May 26, 2020
Deadly Hydroxychloroquine
We go over the results of the study from the Lancet which finds patients having twice the mortality rate with chloroquine or Hydroxychloroquine compared to placebo.
May 22, 2020
Tweeting Robots and Immunity Passports
Immunity Passports are considered a bad idea by the World Health Organization even as Estonia starts to roll then out, Columbia University researchers find that 45% of Coronavirus tweets are authored by robots.
May 21, 2020
Coronavirus Antibody Tests
Antibodies are immune system elements specific to a particular infecting agent. Some antibodies will confer immunity to that agent (virus). If we can accurately measure the right antibodies, we can tell who has had a particular infection and is (most likely) immune to getting it again.
May 20, 2020
President Takes Hydroxychloroquine
May 19, 2020 COVID-19 update including the Announcement by President Trump that he is currently taking hydroxychloroquine.
May 20, 2020