A new coronavirus variant is spreading in many parts of the world. The variant, NB.1.8.1, has been identified as the cause of Covid-19 resurgence in China and several other Asian countries.

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 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.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

A painful new symptom is drawing attention from doctors as another COVID-19 variant begins to spread across the US. The sore throat has been described as “razor-blade throat” — an intensely sharp, ...

A new coronavirus variant is spreading in many parts of the world. The variant, NB.1.8.1, has been identified as the cause of Covid-19 resurgence in China and several other Asian countries.

NB.1.8.1 — a new COVID-19 variant tied to a surge in China — now accounts for around 37% of cases in the U.S., according to variant proportion estimates from the CDC. Four notes: Data has ...

However, the true extent of the variant's spread remains uncertain, largely due to a significant reduction in Covid-19 testing compared to the peak of the global pandemic five years ago.

What’s behind the global surge of new Covid variant NB.1.8.1 – and should you get vaccinated? Scientists and experts believe the ‘Nimbus’ strain is more transmissible than previous Covid ...