In patients with long COVID, a new study has revealed a structural association between circulating microclots and neutrophil ...

Russia's Sputnik V vaccine is 92% effective at protecting people from COVID-19 according to interim trial results, the ...

Russia has vaccinated 2.2 million people against COVID-19 with its Sputnik V vaccine, of which more than 1.7 million people ...

Sputnik V, developed by the Gamaleya National Center of Epidemiology and Microbiology in Russia, was the first COVID-19 vaccine to be authorized. This Snapshot feature discusses some of the common ...

The U.S. is poised to make COVID-19 vaccinations more like a yearly flu shot, a major shift in strategy despite a long list of questions about how to best protect against a still rapidly mutating ...

Americans who got the updated COVID-19 booster shots are better protected against symptomatic infection than those who haven’t — at least for now, U.S. health officials said Tuesday. Updated boosters ...

A high-quality, well-fitting mask is your best protection against infection from the coronavirus, influenza and R.S.V. By Dana G. Smith Masks are back, and, this time, they’re not just for Covid-19. A ...

In a case involving a limitation period suspended in response to the COVID-19 pandemic, the Ontario Court of Appeal affirmed ...