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

COVID-19 is nothing new, but the FLiRT variants are. Similar in some ways and different in others from the previous COVID variants, there is a lot to know about how FLiRT happened and what to be on ...

Two new COVID-19 variants are spreading through the U.S., and medical providers in Connecticut are expecting an uptick in cases in the coming weeks.

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 ...

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 ...

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 ...

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 ...

COVID-19 cases are rising during the 2025 summer wave. CDC data shows increases in 26 states and Washington, D.C., linked to ...

Airport screening in the U.S. detected the new variant in travelers arriving in California, Washington state, Virginia and ...

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.