Summary #1084

Effectiveness of Surgical and Cotton Masks in Blocking SARS–CoV-2: A Controlled Comparison in 4 Patients

annals.org
  • New study, done by South Korean scientists, shows that “neither surgical nor cotton masks effectively filtered SARS–CoV-2 during coughs by infected patients.”.
  • Even though previous research shows these masks were effective for influenza, they are not an effective way to stop the spread of COVID.
  • Scientists don’t know yet how much of the virus is transmitted during coughing.
  • It’s worth noting, that the COVID contamination was actually bigger on the outside of the masks, than on the inside.

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