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 new COVID-19 strain linked to a spike in cases in China has been detected in the U.S., but the CDC says it has seen so few ...

Two new Omicron subvariants are gaining ground in the U.S. as some people report experiencing respiratory symptoms like ...

A highly transmissible COVID-19 variant behind a rise in cases in China has made its way to the United States, and now attention is starting to focus on whether its symptoms bear any distinctions from ...

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

Several cases of the new COVID-19 variant-- which has been linked to a large surge of viral infection in China-- have been detected at US airports, according to Centers for Disease Control and ...

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.

Patients are reporting a "razor blade throat" symptom — potentially due to the new "Nimbus" COVID variant — in which their ...

NB.1.8.1, also known as Nimbus, is the new COVID-19 variant that’s been responsible for a surge in cases in Asia. "There’s a new variant that’s actually spreading worldwide,” said Dr. Jill Roberts, ...

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 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.