Federal data shows COVID-19 is trending up in most states, with emergency department visits up among people of all ages.

The “Stratus” variant (XFG) was first identified in January in Southeast Asia. By June, it accounted for 14% of COVID cases ...

The Stratus or XFG variant transmits easily and is spreading worldwide. Stratus is a combination of variants F.7 and LP.8.1.2 ...