Less than 20 cases of the new COVID-19 variant, NB.1.8.1, had been reported in the U.S., as of Tuesday, May 27.

A new Covid variant that’s gaining momentum globally has landed in the U.S. The World Health Organization announced last week ...

Airport screening in the United States has detected the new variant in travelers arriving in California, Washington state, ...

A new COVID-19 variant is spreading across the U.S., including in New York, raising fresh concerns just as federal vaccine ...

The NB.1.8.1 subvariant of Omicron is spreading rapidly in India and other countries. The variant has been known to evade ...

With the recent surge of Covid-19 in parts of India and across the globe, health experts are closely monitoring a new variant ...

New COVID-19 variant NB.1.8.1 is causing concern in California, where it was first detected by Stanford scientists. The FDA, ...

The World Health Organisation is monitoring a new variant of COVID as health authorities urge people to consider getting free ...

The World Health Organization said Wednesday the rise in cases is primarily in the eastern Mediterranean, Southeast Asia and ...