Since SARS-CoV-2 first emerged in late 2019 the virus has spawned dozens of lineages, a handful of global "variants of ...

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 ...

A new strain of the coronavirus Delta variant called AY.4.2 or Delta Plus is spreading throughout England, according to scientists. It’s believed to have been responsible for close to 10% of all new ...

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 has mutated, meaning a new ‘Delta Plus’ variant is doing the rounds – both in India, where Delta first originated, but also the UK. Here’s what we know so far about the mutation. The ...

The increased Covid activity comes as the US heads into fall respiratory illness season, which tends to bring a rise in cases ...

Stratus, which belongs to the Omicron family, is a recombinant variant, originating from two variants, LF.7 and LP.8.1.2.

Currently, the COVID-19 Delta variant has been reported in 60 countries and accounts for less than 6 percent of COVID-19 cases in the U.S. After months of steady decline in COVID-19 cases, the United ...

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 ...