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 ...

Preliminary data from researchers in China suggest the NB.1.8.1 variant is not better at evading the immune system compared ...

A highly transmissible COVID-19 variant behind a rise in cases in China has made its way to the United States, and now ...

A new Covid-19 variant, NB.1.81, initially detected in international travelers, has surfaced in the US, raising concerns ...

While the WHO points out that NB.1.8.1 is “growing rapidly compared to co-circulating variants,” the agency also notes that ...

Doctors say the new variant appears to be more contagious than other variants but doesn't cause more severe illness.

Cases of the new COVID-19 variant NB.1.8.1, a descendent of the Omicron variant, are on the rise in some parts of the world, ...

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

A new and highly contagious strain of COVID-19, known as NB.1.8.1 ... Before appearing in the U.S., this variant was responsible for a surge in hospitalizations across China.