The “Stratus” variant (XFG) was first identified in January in Southeast Asia. By June, it accounted for 14% of COVID cases in the U.S. While the symptoms of XFG are generally consistent with other ...

The U.S. Food and Drug Administration may not renew its authorization for Pfizer's COVID-19 vaccine approved for children ...

COVID-19 activity is rising in much of the country. Data shows overall respiratory virus spread is very low in the U.S.