The NB.1.8.1 COVID variant has spread to multiple US states after causing significant surges in China and Hong Kong. Health ...

According to the Centres for Disease Control and Prevention (CDC), as of July, the new variant Stratus (XFG) has accounted ...

COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

Vaccination with the updated COVID-19 mRNA vaccine containing the severe acute respiratory syndrome coronavirus-2 omicron ...

If anyone needed a reminder that US health secretary and fervent anti-vaccine advocate Robert F. Kennedy Jr. has no ...