A dangerous new COVID-19 variant from China, known as the NB. 1.8.1 strain is "more transmissible," health experts caution as ...

The new Covid-19 variant has been detected in travelers arriving in New York, the state of Washington, Rhode Island, Virginia ...

The NB.1.8.1 variant of coronavirus is currently the dominant strain in Hong Kong and China, and has also been detected in ...

A new subvariant of Covid, which is said to be highly infectious, has been detected in the UK for the first time. The World ...