Citing new data on the delta variant, the Centers for Disease Control and Prevention recommended that fully vaccinated people wear face masks indoors in some parts of the country.
A Guide to the CDC’s Updated Mask Recommendations
Background Science
The Facts – and Gaps – on the Origin of the Coronavirus
Despite increased media attention to the possibility that the novel coronavirus may have escaped from a lab, no credible evidence has emerged to support it and most scientists think the virus likely has a natural origin.
Q&A on the Rare Clotting Events That Caused the J&J Pause
We look at what is known about the rare clotting conditions associated with the Johnson & Johnson vaccine, their frequency and the risks of COVID-19.
The Facts on the Recommended J&J Vaccine ‘Pause’
Nearly 200 million doses of COVID-19 vaccines have been administered in the U.S., including 7.2 million doses of the Johnson & Johnson vaccine. The CDC and FDA recommended “a pause in the use” of the J&J vaccine “out of an abundance of caution” because of six cases of a rare type of blood clot.
The Evolving Science of Face Masks and COVID-19
Since the Centers for Disease Control and Prevention began recommending that members of the public mask up last spring, additional research has backed the use of face masks to combat the coronavirus, but knowledge gaps still remain. Here, we summarize the evidence.
A Guide to Johnson & Johnson’s COVID-19 Vaccine
The Johnson & Johnson vaccine is the third COVID-19 vaccine to be authorized by the Food and Drug Administration. Here, we give a rundown of basic facts about the vaccine and an overview of how it works.
A Guide to Moderna’s COVID-19 Vaccine
Moderna’s mRNA vaccine is the second COVID-19 vaccine to be authorized and fully approved for use in the U.S. Here, we give a rundown of basic facts about the vaccine and an overview of how it works.
Q&A on COVID-19 Vaccines
Three COVID-19 vaccines are now authorized in the U.S. In this story, we answer some common questions about the shots.
A Guide to Pfizer/BioNTech’s COVID-19 Vaccine
A primer on the first COVID-19 vaccine to receive authorization and approval in the U.S.
Q&A on COVID-19 Antibody Tests
We’ll run through how the tests work and why it’s so hard to interpret what the results might mean.