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 ...

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

Airport screening in the U.S. detected the new variant in travelers arriving in California, Washington state, Virginia and ...

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

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 ...

A new study of more than 13 million people in England has found no evidence to suggest mild COVID-19 infection may cause long ...

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 ...