As millions of Americans turn to at-home Covid testing for convenience and quick results, health experts warn that unreported positive cases are creating blind spots in our ability to track and ...

If the Montreal Canadiens and Toronto Maple Leafs play a Game 6 of their North Division first-round series on May 29 at the Bell Centre, about 2,500 spectators could be allowed in the building, Quebec ...

COVID-19 continues to circulate in the United States, and staying informed is crucial. The Centers for Disease Control and Prevention (CDC) warns that the virus can present symptoms similar to other ...

Twelve states are seeing higher positivity rates for COVID-19 tests compared to the rest of the country, according to new data from the Centers for Disease Control and Prevention. Why it matters: ...

The COVID-19 incubation period is the time between exposure to the SARS-CoV-2 virus and the onset of symptoms. Over 98% of people in the U.S. have some COVID-19 immunity from vaccines or prior ...

More than four years since the coronavirus ignited a global pandemic, the virus officially named SARS-CoV-2 keeps evolving — and so does our understanding of how it works. Some of our early ...