A highly transmissible new COVID-19 variant called NB.1.8.1, aka "Nimbus," is spreading in the United States, CDC data show.

Experts are warning of a dangerous new Covid variant spreading in over a dozen states that can cause a throat so sore it ...

CoV-2, the virus causing COVID-19, is still finding ways to infect people by evolving new mutations, and a new variant has ...

Health officials are tracking a highly contagious new COVID-19 variant. This comes as confusion grows over vaccine ...

Health officials are tracking a new COVID-19 variant. This comes as confusion grows over vaccine recommendations moving ...