Two new COVID-19 variants are spreading across the country and doctors in Connecticut are expecting they could bring an uptick in cases.

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

COVID-19 cases are rising in half of US states. Is this the start of a summer wave? What to know about COVID trends and the ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

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.

New research by the University of Sydney offers important insights into how and when new coronavirus variants arise in bats.

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

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

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

The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

A fresh wave of COVID-19 infections is sweeping across Bangladesh, triggered by the fast-spreading Omicron sub-variants JN.1, ...