About Those Masks and COVID-19

The US mask-wearing rate has held stable at 80% since July. Most people are following your favored Covid mitigation measures. It's simply the case that those measures don't deliver as much as you've been claiming. https://t.co/kwfZeZSwh0 pic.twitter.com/2bJLcH2mto

— Phil Magness (@PhilWMagness) January 9, 2021