In a new study published in Nature Immunology, researchers at Boston Children's Hospital demonstrated that pairing the ...

The fall-winter COVID-19 vaccine designed to counter XBB, a subvariant of the Omicron strain, is now available nationwide for ...

LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

GENEVA--The head of the World Health Organization said China’s extreme approach to containing the coronavirus is ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Wearing face masks may not have lowered the risk of COVID infection ...

The adjusted VE against infection of any severity was 58.8% for BNT162b2 and 73.9% for mRNA-1273. Both vaccines maintained high protection in children with underlying medical conditions and reduced ...

The risk of developing long COVID was higher for the Alpha, Delta and wild-type variants of COVID-19 — and lower with omicron, according to new research. A team based in Sweden published a study in ...

Seniors who have already received a vaccine targeting the omicron BA.5 subvariant are now eligible to receive another dose four months after their last shot. People with weak immune systems can ...

Latest on cases, vaccines, masks and breakthrough infections This page updates monthly. Last update: Friday, Jan. 6, 12:33 p.m. Wondering about the state of Minnesota’s COVID-19 outbreak?