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 common questions about the new variant.

The CDC confirms a new COVID-19 variant NB.1.8.1, which has been linked to a spike in cases in China, was detected in the U.S. in low numbers.

The Centers for Disease Control and Prevention's airport screening program has detected multiple cases of the new COVID-19 variant NB.1.8.1, which has been linked to a large surge of the virus in ...

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 ...

COVID-19 Enters the United States: A deadly new COVID variant NB.1.8.1, linked to China’s latest surge, is now in the US. Should you be worried about a fresh wave? Here's what you need to know.

The COVID-19 NB.1.8.1 variant has been linked to a high number of cases in China and Hong Kong. Earlier this month, Hong Kong authorities issued a statement urging the public — especially high ...

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 common questions about the new variant.

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 common questions about the new variant.