John Martin @EVLIVjohnmartin
Good thread if you're interested in the efficacy of masks at blunting virus spread. Summation: bandannas might look cool, but they aren't helpful. Most other face coverings have worth, some a bit more than others. — PolitiTweet.org
Farzad Mostashari @Farzad_MD
1/ All masks are not the same, and it's hard to tell which ones work better, but this article provides some insight… https://t.co/tn74dPis92
