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 ...

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

A highly transmissible new COVID-19 variant called NB.1.8.1, aka "Nimbus," is spreading in the United States, CDC data show.

While COVID-19 transmission remains low in the US, health experts are anxious about the potential for a big summer wave as ...

British scientists have warned against a new, highly contagious COVID-19 variant, Nimbus, which could spark a wave of ...

"Razor blade throat" is one of the symptoms connected to a new COVID-19 subvariant called "Nimbus" that is spreading across ...

A new COVID-19 variant (NB.1.8.1 — unofficially nicknamed "Nimbus") is quietly crossing borders. First detected globally in ...

A newer COVID-19 variant may be causing a severe sore throat in some people who contract the infection. The variant, known as ...

Members of the public are being urged to be on alert amid a surge in cases of a highly transmissible new Covid-19 variant, ...

A new COVID-19 strain has been reported in dozens of countries, including the U.S. Here's what you should know about it.

The variant, NB.1.8.1, has been identified as the cause of Covid-19 resurgence in China and several other Asian countries. Experts in Europe are predicting a possible increase in cases there.