The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

The delta variant is becoming the dominant coronavirus strain in the U.S. and many schools are taking the increase into account when planning for a safe opening in the fall. “The delta variation is ...

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 ...

The delta variant has emerged as the dominant strain of the novel coronavirus in the United States, according to updated data from the Centers for Disease Control and Prevention (CDC). The CDC’s ...

More than half of the U.S. population has received at least one dose of the coronavirus vaccine. But based on a new scenario model by Johns Hopkins the next three months are crucial if we want to ...

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 ...

PHILADELPHIA (WPVI) -- New numbers are shedding light on just how quickly the Delta variant of COVID-19 is spreading in the United States. The more contagious Delta variant now makes up 83% of ...

COVID-19 cases were relatively low across the country for most of the summer, but they’re now creeping up again. Data shows that this is thanks to the new COVID-19 variant XFG, nicknamed Stratus, ...

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 ...