The government’s new guidance on masks for vaccinated people has left some Americans confused and sent businesses and states scrambling to adjust their rules. Target and CVS on Monday became the ...

When the Centers for Disease Control and Prevention revised its mask guidance this week to urge even vaccinated people to wear masks indoors, it was criticized for not citing data in making that move.

Emerging science suggests that "aerosolizing procedures," like intubation, aren't really aerosolizing much. But a cough or heavy breathing from a superspreader might be much worse. ZDoggMD discusses ...