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 ...

A new version of COVID-19 that hardly anyone had heard of a few months ago is spreading quickly in the nation after first being detected in China earlier this year. The variant, called NB.1.8.1 or ...

Stratus was first identified in Southeast Asia in January, according to WHO, and has so far spread to 38 countries.

A new COVID strain called "Nimbus" is now in the U.S. Nimbus has spread to at least 22 countries Symptoms include "razor blade" sore throat Once again, a new strain of COVID has hit the country, and ...