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The F.D.A. clears booster shots for 12- to 15-year-olds


03 Jan 2022

The Food and Drug Administration on Monday authorized booster doses of Pfizer-BioNTech’s coronavirus vaccine for 12- to 15-year-olds, a group that became eligible for initial shots in May.


Expecting a Surge; We look at the latest on Omicron.


16 Dec 2021

Get ready for the Omicron surge, and take it seriously. But remember that the vaccines appear to provide strong protection against what matters most: severe Covid illnesses. That’s my reading of experts’ reactions to the latest developments on the Omicron variant. Today, I will walk through them.


Latest on Omicron Variant and COVID-19 Vaccine Protection


14 Dec 2021

There’s been great concern about the new Omicron variant of SARS-CoV-2, the coronavirus that causes COVID-19. A major reason is Omicron has accumulated over 50 mutations, including about 30 in the spike protein, the part of the coronavirus that mRNA vaccines teach our immune systems to attack. All of these genetic changes raise the possibility that Omicron could cause breakthrough infections in people who’ve already received a Pfizer or Moderna mRNA vaccine.


Will the Vaccines Stop Omicron? Scientists Are Racing to Find Out.


28 Nov 2021

A “Frankenstein mix” of mutations raises concerns, but the variant may remain vulnerable to current vaccines. If not, revisions will be necessary.


What You Need to Know about Variants


27 Nov 2021

Omicron Variant No cases of this variant have been identified in the U.S. to date. CDC is following the details of this new variant. See CDC’s Media Statement.




Articles


Sorting Out Whether Vitamin D Deficiency Raises COVID-19 Risk


06 Jan 2021

One of the risk factors du jour for coronavirus disease 2019 (COVID- 19) has been vitamin D deficiency.




Emergence of a Highly Fit SARS-CoV-2 Variant


31 Dec 2020

Sarbecoviruses have emerged twice in the 21st century, causing a worldwide epidemic and pandemic.




U.S. Officials Say Covid-19 Vaccination Effort Has Lagged


30 Dec 2020

The distribution of vaccines in the United States has gotten off to a slower-than-expected start, federal health officials acknowledged in a news conference on Wednesday, though they also voiced confidence that the pace would accelerate in the coming weeks.




Coronavirus Vaccine Tracker


30 Dec 2020

Vaccines typically require years of research and testing before reaching the clinic, but in 2020, scientists embarked on a race to produce safe and effective coronavirus vaccines in record time. Researchers are currently testing 64 vaccines in clinical trials on humans, and 19 have reached the final stages of testing. At least 85 preclinical vaccines are under active investigation in animals.




Help Fight Medicare Fraud


30 Dec 2020

Medicare covers the COVID-19 vaccine at no cost to you, so if anyone asks you to share your Medicare Number or pay for access to the vaccine, you can bet it’s a scam.




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