Two new COVID-19 variants are spreading through the U.S., and medical providers in Connecticut are expecting an uptick in cases in the coming weeks.

Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of cases.

A new Covid-19 variant, Stratus (XFG or XFG.3), also known as “Frankenstein” due to its recombinant nature, has been ...

A promising new COVID-19 vaccine candidate developed by researchers at the Centenary Institute and the University of Sydney ...

If you have a severe sore throat, it may not be what you think. CBS News New York health reporter Jenna DeAngelis spoke with ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

In Nature Communications, authors describe a novel web platform for genomic surveillance of the SARS-CoV-2 virus called ...

Scientists are closely monitoring the rapid global spread of two new Omicron subvariants, Nimbus (NB.1.8.1) and Stratus (XFG) ...

New research from the University of Sydney sheds light on how coronaviruses emerge in bat populations, focusing on young bats ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

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A new COVID-19 strain called Stratus may evade vaccine immunity, experts warn. With rising cases in the UK and unusual ...