In May 2021, the Centers for Disease Control officially recognized that SARS-CoV-2—the virus that causes COVID-19—is airborne, meaning it is highly transmissible through the air. Now University of ...

The AY.4.2 subvariant is like the original Delta variant but has three additional mutations, including two that affect the oh-so-important spike proteins that studs the surface of the virus. The ...

As they say, some relationships were meant to be. With the Delta and the Omicron variants of the Covid-19 coronavirus circulating so widely for so long, the two versions of the virus didn’t need ...

Researchers in France have reported the first compelling genetic evidence of a recombinant SARS-CoV-2 virus that contains elements of both the omicron coronavirus variant and the delta variant.

2021 was a year of coronavirus variants. Alpha and beta kicked off the year, and several worrisome variants later, omicron is closing it out. How omicron may come to define the pandemic’s future ...

The delta variant of SARS-CoV-2 has swept the planet, becoming the dominant variant within just a few months. A new study from Boston Children's Hospital, published in Science, explains why delta ...

A new variant named omicron (B.1.1.529) was reported by researchers in South Africa on Nov. 24, 2021, and designated a "variant of concern" by the World Health Organization two days later. Omicron is ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Delta Air Lines was among the major airlines to quickly drop mask ...

Yet another version of the coronavirus is getting global attention, this one dubbed AY.4.2. It appears that it could be slightly more transmissible than the Delta variant — a marginal difference that ...

The new Omicron variant of coronavirus, with its many mutations and seemingly quick spread in South Africa, is worrying scientists and government officials. But doctors want to remind Americans that ...

Delta Air Lines has updated its announcement about the end of the federal mask mandate after igniting a firestorm of criticism from public health experts who said it used inaccurate and misleading ...

A new variant named omicron (B.1.1.529) was reported by researchers in South Africa on Nov. 24, 2021, and designated a “variant of concern” by the World Health Organization two days later. Omicron is ...