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.

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 ...

In Nature Communications, authors describe a novel web platform for genomic surveillance of the SARS-CoV-2 virus called ...

That makes it the new dominant variant in the country, overtaking JN.1. The JN.1 variant , which spread globally over the winter, made up about 16% of COVID-19 cases in the U.S. in the same two ...

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 ...

The new COVID-19 variant that has been termed as the stratus strain has been officially classified under the SARS-CoV-2 ...

The newly identified Deltacron COVID-19 case, created by the combination of the Delta and Omicron variants, is not widely spread. Here's what we know.

Additional strains of COVID-19 continue popping up on a regular basis. A new variant, BA.2.86, is now being carefully monitored by public health officials due to the large number of mutations it ...

Variant strains of coronavirus have been turning up across the US, including new types seen first in the UK, South Africa and Brazil. Here’s what we know about them.

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.