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 ...

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 ...

The new COVID-19 variant NB.1.8.1, or 'Nimbus', causes unusual symptoms like razor blade throat, long-lasting congestion, odd ...

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

Multiple news reports have linked the subvariant, NB 1.8.1, to "razor blade throat," in part because of postings on social ...

Assistant Secretary Albert Domingo has assured the public that the new Covid-19 variant locally nicknamed 'Nimbus,' ...

Patients and doctors say the latest COVID-19 variant spreading in the U.S. in some cases causes a sore throat so painful it ...

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

COVID-19 patients who are vaccinated -- and were hospitalized with reduced kidney function -- had better outcomes than ...

A painful new symptom is drawing attention from doctors as another COVID-19 variant begins to spread across the US. The sore ...