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 ...

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

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

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

Fresh surveillance shows COVID-19 is quietly heating up at the height of summer, fueling concerns about travel plans and back ...

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 ...

A newer COVID-19 variant may be causing a severe sore throat in those who contract the infections. Here's what to know about ...

A new Covid-19 variant, officially known as NB.1.8.1 and nicknamed Nimbus, is now the most common strain in the US, according ...

A COVID-19 variant once considered rare has tripled in U.S. cases in the past two weeks, according to the Centers for Disease Control and Prevention. The mutated strain, called BA.2.86, accounts ...

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

New coronavirus variants are an urgent threat. Here’s what you need to know. Paramedics return from delivering a patient at the emergency room at St. Francis Medical Center in Lynwood on Jan. 21.