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 ...

A painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This ...

Nimbus (NB.1.8.1) is a descendant of the Omicron variant, and was first detected in January 2025. Since then, it has spread ...

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 ...

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

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

Most people have put the COVID-19 pandemic behind them. Infections, vaccinations, or a combination of both have bolstered ...

Now that Covid vaccines are no longer recommended for healthy children and pregnant people, boosters could be a lot more ...

STATEN ISLAND, N.Y. — Richmond University Medical Center will soon unveil a new exhibit designed to memorialize the ...

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