> So, according to the CDC … only n95 or better are worth pursuing. Current CDC guidance is “facemasks are an acceptable alternative when the supply chain of r

> So, according to the CDC … only n95 or better are worth pursuing. Current CDC guidance is “facemasks are an acceptable alternative when the supply chain of respirators cannot meet the demand”.¹ ¹ https://www.cdc.gov/coronavirus/2019-ncov/infection-control/control-recommendations.html https://www.cdc.gov/coronavirus/2019-ncov/infection-control/...