Over the long term your risk of exposure approaches 1 regardless of whether you ...

		nradov on Jan 12, 2022 \| parent \| context \| favorite \| on: Switching to an N95 mask gives a 75x boost in Covi... Over the long term your risk of exposure approaches 1 regardless of whether you wear a mask in restaurants. https://www.medpagetoday.com/opinion/vinay-prasad/94646