It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

A new COVID-19 variant, XFG or “Stratus,” is on the rise in the United States, including in New Jersey. Symptoms of XFG are similar to other COVID-19 variants, and current vaccines are expected to ...

COVID-19 cases continue to climb week-over-week as summer draws to a close, according to U.S. health data. Some regions of the United States are experiencing higher rates of positive COVID-19 tests ...

The XFG variant of the severe acute respiratory syndrome coronavirus 2 as continued to spread as the U.S. heads into peak Summer travel season. (Photo by I RYU/VCG via Getty Images) There’s another ...

A new COVID-19 variant called "Stratus" has been circulating in Oklahoma, and the state's positive test rate has been higher than the national average during the summer months. Stratus is the ...

A new COVID-19 strain, referred to as NB.1.8.1 or "Nimbus," first appeared in the U.S. sometime near the end of April and is currently the dominant variant in the U.S. The new variant is said to be ...

The Nimbus variant, or NB.1.8.1, is a strain of SARS-CoV-2, which causes COVID-19. Alongside the usual symptoms of COVID-19, it can cause a razor blade sensation in the throat and gastrointestinal ...

New COVID-19 variant XFG has firmly positioned itself as the predominant strain in the United States as cases continue to crop up nationwide. Some regions of the U.S. are experiencing higher rates of ...