A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers ...

The new COVID-19 variant NB.1.8.1, known as Nimbus, is causing concern due to its subtle symptoms and high transmission rate.

At the same time a new COVID variant has been reported in the U.S., residents of Illinois and across the nation will likely ...

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 ...

A new COVID variant called NB.1.8.1, aka Nimbus, is spreading in the U.S. and causing an incredibly painful sore throat, ...

The COVID-19 Nimbus variant is on the rise in the U.S. as many report a painful symptom known as "razor blade throat." If you ...

So far, 15 U.S. states have positive Nimbus cases, including Rhode Island, New York, Vermont, and Massachusetts.

A document the Department of Health and Human Services distributed to members of Congress to justify recent changes to ...

People who continue to suffer the effects of COVID-19 long after contracting the illness say they're concerned to be losing a ...

Colorado has enhanced pandemic readiness with new public health technologies and staff following lessons from COVID-19.