(WXYZ) — Hundreds of millions of Americans have rolled up their sleeves for the COVID-19 vaccine. About half of the people who are eligible are vaccinated in the U ...

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 ...

SAN FRANCISCO (KGO) -- A surge in coronavirus cases has been reported in the Bay Area and across California as well as the country due in part to the emergence of the highly-contagious delta variant.

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 ...

Upon first inspection, the mutations in the highly contagious delta COVID-19 variant don’t look that worrisome. For starters, delta has fewer genetic changes than earlier versions of the coronavirus. ...

Brett Sutton says it’s of ‘significant concern’ and it has international authorities worried - but what is the dreaded new ...