Southern California is conducting a population wide trial on masks right now. LA mandated masks, while Orange & San Diego didn’t…so if they made a significant difference, we’d expect to see LA doing better.

Southern California is conducting a population wide trial on masks right now. LA mandated masks, while Orange & San Diego didn’t…so if they made a significant difference, we’d expect to see LA doing better.

Except LA’s doing the worst of the three.

Cause masks don’t work.

Originally tweeted by IM (@ianmSC) on August 4, 2021.