Global disease experts are monitoring a new variant, BA.2.86, that carries a large number of mutations — meaning it looks significantly different from the original version of Omicron and the ...

People may assume that a COVID-19 infection protects them the next time they encounter the virus, but that's not necessarily true. A new study of 750 vaccinated seniors living in retirement homes and ...

JN.1 has overtaken HV.1 as the leading variant in the U.S. The latest vaccines provide some protection against each of them. By Dana G. Smith For the past year, Covid-19 variants have circulated in a ...

The latest variant, or sublineage, of SARS-CoV-2 to emerge on the scene, BA.2.86, has public health experts on alert as COVID-19 hospitalizations begin to rise and the new variant makes its way across ...

Though the researchers were not able to identify which Omicron variant a person had, all the initial infections occurred during the BA.1/BA.2 wave, and all the reinfections occurred during the summer ...

For months, a purported warning has spread on social media about an alleged "new COVID-Omicron XBB variant" — a new strain of the coronavirus that has spread globally since early 2020. Framed as ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. The most COVID-19-associated deaths during the winter ...