The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

A newer COVID variant called XFG is currently fueling cases of the virus across the country. Nicknamed “ Stratus,” this ...

A new COVID-19 variant that was unheard of just months ago is now projected to be the second-most common strain in the United States. Variant NB.1.8.1 was first detected in China in January but ...

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 ...

It’s easy to forget, but COVID-19 is still commonplace around the world, and the virus is still mutating, unleashing new variants across the globe. The latest variant, nicknamed Nimbus, that health ...

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 ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

The NB.1.8.1 COVID-19 variant is now the dominant strain in the U.S., exhibiting symptoms similar to previous variants, including a uniquely severe sore throat. The FDA updated warning labels for mRNA ...