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

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

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.

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 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 ...

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.

For starters, symptoms of the COVID-19 variants currently circulating will likely be familiar — such as a runny nose, sore throat, cough, fatigue, fever, and muscle aches.

Finding variants by screening COVID-19-infected patients with genomic sequencing is the easy part. The difficult part is then figuring out what these mutations mean.

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.

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 ...