Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

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 ...

LOS ANGELES - As cases of the novel coronavirus and its delta variant continue to increase, a new projection model shows there are no signs of the hyper-contagious variant slowing down — foreshadowing ...

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 ...

WASHINGTON - In a press briefing Friday, the head of the WHO said the delta variant is "quickly becoming the dominant strain in many countries," and thus, the world is in a "very dangerous period" of ...

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 of SARS-CoV-2, the virus that causes COVID-19, has been making headlines as it has quickly become the most prevalent strain in America. But other variants of the virus are still out ...

The delta coronavirus variant likely will become predominant in the U.S. within weeks, according to an analysis published June 21 by preprint server medRxiv. The variant, first identified in India, ...

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 ...