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 ...

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.

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

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 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 ...

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 ...

Fresh surveillance shows COVID-19 is quietly heating up at the height of summer, fueling concerns about travel plans and back-to-school prep. According to the Centers for Disease Control and ...

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.

The United States is working to quickly learn more about the newly identified coronavirus variant B.1.1.529, which was first identified in South Africa. South Africa’s health minister announced ...

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.