[BostonCard]

There is no single definitive study.  The best one I know of is from a few months ago and was published in the Lancet, a meta analysis evaluating both the effect of social distancing and mask wearing.

https://www.thelancet.com/article/S0140-...9/fulltext

BC

[BostonCard]

There is no single definitive study.  The best one I know of is from a few months ago and was published in the Lancet, a meta analysis evaluating both the effect of social distancing and mask wearing.

https://www.thelancet.com/article/S0140-...9/fulltext

BC