The data, from the Centers for Disease Control and Prevention, also showed a significant increase in COVID-related emergency ...

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 ...

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

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

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 symptoms and vaccines.

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 ...

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

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.

A new, more contagious and potentially more deadly Covid-19 variant called B.1.1.7 is spreading across the US. But the currently authorized vaccines should be able to stop it.