A new COVID-19 variant is spreading rapidly through the U.S. What to know about NB.1.8.1 and its symptoms in Tennessee.

Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of ...

NB.1.8.1, a new COVID-19 variant that has caused concern among WHO officials, is now spreading in America, according to CDC ...

Reports say the new COVID variant, NB.1.8.1, can cause an intense, scratchy sore throat. But is 'razor blade throat' really a ...

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 ...

Two new Omicron subvariants are gaining ground in the U.S. as some people report experiencing respiratory symptoms like ...

Nimbus is another Omicron subvariant that is known for causing typical COVID symptoms, including an extremely sore throat.

Just before the busy summer travel season in the US, a new COVID variant called NB.1.8.1—also known as “Nimbus”—is quickly ...

A new COVID-19 variant spreading across the United States may cause an extremely painful sore throat—dubbed the "razor throat ...

While COVID-19 transmission remains low in the US, health experts are anxious about the potential for a big summer wave as ...