COVID-19 variant is quietly making its rounds across the United States, prompting health officials to reiterate the ...

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 ...

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

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

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

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

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

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