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

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 ...

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

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 named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...

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 ...

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

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

The Centers for Disease Control and Prevention has detected a new set of COVID-19 variants nicknamed FLiRT in wastewater surveillance, according to data from the agency.. From April 28 through May ...

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 ...

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

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