Add Yahoo as a preferred source to see more of our stories on Google. A person purchases medicine at a Walgreen pharmacy counter. San Francisco Bay Area officials say COVID activity remains low, even ...

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 ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

A heavily mutated variant of the virus that causes Covid-19 appears to be affecting primarily children, scientists say, though it’s not causing more severe disease – in kids or in adults. Rather, ...

LAS VEGAS, NEVADA -- A California couple says they were fully vaccinated, but still contracted COVID-19 while on vacation as experts say breakthrough cases are possible, especially with the delta ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...