A growing number of public-health experts are urging the Centers for Disease Control and Prevention to recommend that even fully vaccinated people wear face masks in public amid the resurgence of ...

A new study suggests people vaccinated against COVID-19 can still easily spread the delta variant among households just as likely as people who are unvaccinated. The United Kingdom-based study was ...

As 56 million school children return to the classroom, the debate over masks in school rages -- along with the Delta variant. "The Delta variant is really effective at making copies of itself," says ...

The fast-spreading delta variant of the coronavirus has been gaining traction worldwide since it was first detected in India. It’s a version of the coronavirus that has been found in more than 80 ...

It's the kind of news story that keeps parents of school-age children up at night: Kids go to school, dutifully wear masks, and still half the class ends up infected with the coronavirus. That's what ...

WASHINGTON (AP) — When the pace of vaccinations in the U.S. first began to slow, President Joe Biden backed incentives like million-dollar cash lotteries if that’s what it took to get shots in arms.

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...

An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the coronavirus that has spread globally since early 2020. Framed as official guidance ...