KTVU

COVID-19 delta variant surge: How to tell if you’re in high-risk area

On Tuesday, the U.S. Centers for Disease Control and Prevention updated its guidance to recommend that fully vaccinated people again wear face masks indoors if they are in an area where the novel ...
ABC7 San Francisco

Is the mu variant worse than delta? What to know about COVID-19 mutations

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...
Arizona Daily Star

First case of highly transmissible Delta variant reaches Tucson area

Scientists have found Pima County’s first case of the Delta variant. It’s a new, highly transmissible variant of the coronavirus that causes COVID-19. This variant is known as B.1.617.2 and originated ...
ABC7

What to know about delta and other COVID-19 variants of concern

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...
Hebdo Ahram

UK says Delta variant 60 percent more transmissible

The British government said Friday that the new Delta coronavirus variant is 60 percent more transmissible in households than the variant that forced the UK to lock down in January. The Delta variant, ...