Experts are monitoring increases in COVID-19 cases in the U.S. driven by new, highly infectious variants. So take a moment to make sure you how and when to use at-home COVID tests to help you stay ...

After undergoing five days of isolation and an additional five days of strict mask wearing, some people are still testing positive for COVID-19, even though the recommended isolation period has ended.

Americans who have received a booster COVID-19 vaccine are testing positive for the virus at a higher rate than those who have received just a primary vaccine series, CDC data shows. But experts say a ...

Once again, it's the time of year when respiratory illnesses — including COVID-19 — make their comeback. So, as we gear up for another winter virus season, take a moment to make sure you know how and ...