As the Trump administration moves to limit COVID booster vaccines for some, here's what to know about the latest variant NB.1 ...

The new Covid-19 subvariant NB.1.8.1, detected in the US after a surge in China, is being closely monitored due to its rapid ...

People with symptoms should seek treatment after the recent rise in cases, according to respiratory disease specialist Zhong ...

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

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 ...

Five years after the COVID-19 pandemic began, the virus remains a persistent threat in the United States, particularly for ...

New COVID variant NB.1.8.1 detected at US airports from travelers from China, Asia and Europe amid rising hospitalizations in ...

A new Covid variant, thought to have contributed to a wave of infections in China and parts of Asia, has been confirmed to be ...

A new and apparently more infectious variant of Covid-19 has been detected in the US after cases surged in China. The strain ...

The Mississippi Attorney General's Office is waiting to see how much a judge will award the state in a lawsuit with the ...