NY retail worker safety law takes effect this week. Here’s what it does.

In mainland China, the portion of patients going to the ER with COVID has more than doubled in the last month.

The CDC has confirmed the new COVID-19 strain NB.1.8.1 in the U.S., with a low case count despite its spread in China.

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

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

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

A new strain of COVID-19 gaining traction overseas is now being detected in the United States, according to health officials tracking the virus. Airport screenings have identified cases of the NB.1.8.

NB.1.8.1 is now the dominant COVID-19 strain in China, where it is contributing to spikes ... Cases have now been reported in a handful of states, including California, Hawaii, New York, Ohio, Rhode ...

A highly contagious new strain of COVID-19 has been detected in California and in other states, a discovery that comes as federal officials announced they will no longer support booster shots for ...