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 ...

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 ...

TULARE COUNTY, Calif. (KFSN) -- With around two thirds of Tulare County residents not vaccinated and COVID-19 cases on the rise, county health officials say the dominant Delta variant of the ...

While the delta COVID-19 variant is the dominant strain in the U.S., it’s now officially the dominant strain worldwide “by far,” officials from the World Health Organization said during a Sept. 21 ...

Estimates show the variant accounts for over 51% of all new cases nationwide. A highly contagious variant of the novel coronavirus that was initially identified in India is now the dominant strain in ...

FRESNO, Calif. (KFSN) -- The highly contagious Delta variant, according to the World Health Organization, has been found in nearly 100 countries around the world. It is one of four variants of concern ...

The delta coronavirus variant surging across the United States appears to cause more severe illness and spread as easily as chickenpox, according to an internal document from the US Centers for ...

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 ...

CoV-2, the coronavirus behind the COVID-19 pandemic, constantly mutate. Since 2025, multiple new variants have emerged, each ...

RALEIGH, N.C. (WTVD) -- North Carolina, like many other states across the country, is seeing an uptick in COVID-19 cases. 5:45 p.m. Angelene Mcrae has oxygen tanks and other pieces of equipment that ...

As the highly contagious Delta variant of COVID-19 continues to surge in populations with low vaccination rates, doctors are looking more closely at the origins of another variant. The Epsilon variant ...

"It's the biggest experiment that's ever happened." In a stunningly short period of time, the delta variant has changed the course of the COVID-19 pandemic by evolving to become more transmissible ...