> Even better is to wear a mask (not to prevent virus from coming in that's silly air gets around it) That obviously depends on how you define a "mask", a "med

> Even better is to wear a mask (not to prevent virus from coming in that's silly air gets around it) That obviously depends on how you define a "mask", a "medical mask" has a very different efficacy from an N95.[1] [1]: https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-mask/art-20485449 https://www.mayoclinic.org/diseases-conditions/coronavirus/i...