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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 new symptom is drawing attention from doctors as another COVID-19 variant begins to spread across the US. The sore ...
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 ...
A new COVID-19 variant (NB.1.8.1 — unofficially nicknamed "Nimbus") is quietly crossing borders. First detected globally in ...
A new COVID-19 strain has been reported in dozens of countries, including the U.S. Here's what you should know about it.