Kansas' "natural experiment" shows power of covering faces to thwart spread of COVID-19
douglevy.substack.com
CDC rebuts anti-mask crusaders but stops short of recommending face shields, and America has a uniquely large obstacle to an effective COVID-19 vaccine.
Kansas' "natural experiment" shows power of covering faces to thwart spread of COVID-19
Kansas' "natural experiment" shows power of…
Kansas' "natural experiment" shows power of covering faces to thwart spread of COVID-19
CDC rebuts anti-mask crusaders but stops short of recommending face shields, and America has a uniquely large obstacle to an effective COVID-19 vaccine.