In a study published today in The New England Journal of Medicine, Greinacher and his colleagues show that the first theory ...

How long COVID develops is still largely unknown. New molecular connections are revealed in a recent study led by the Center ...

Feb. 7, 2026 New simulations reveal that both H1N1 and COVID-19 spread across U.S. cities in a matter of weeks, often before officials realized what was happening. Major travel hubs helped drive rapid ...

The U.S. CDC (Centers for Disease Control and Prevention) Global COVID Vaccine Safety Project has generated background incidence rates on a range of conditions designated as AESI (Adverse Events of ...

A detailed analysis of immune cells in Long COVID patients has revealed a previously unknown molecular signature linked to ...

One panelist accused the F.D.A. of withholding data on potential harms. The advisers also are reviewing research on vaccines ...

There’s an expression, “You may be done with COVID, but COVID isn’t done with you.” It’s true. COVID-19 is still very much with us, even though we would like to put it totally behind us and resume our ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re like most people in the US, you probably either know someone with COVID-19 right now, know someone who just got over an ...

The little green dots in this image are particles of a coronavirus known as SARS-CoV-2 – the virus that causes the disease COVID-19. These viral particles (also known as virions) are on the surface of ...