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cover of episode Valved or Vented Facemasks do Not Prevent the Spread of COVID-29.

Valved or Vented Facemasks do Not Prevent the Spread of COVID-29.

2020/8/13
logo of podcast Doctor Vaughan's COVID-19 Updates

Doctor Vaughan's COVID-19 Updates

Shownotes Transcript

The CDC has officially posted on its website a warning against the use of valved or vented facemasks for the prevention of the spread of COVID-19.