Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of ...

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 ...

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 ...

Americans became less favorable toward Asians as COVID-19 spread and news coverage intensified, according to a new study. The ...