Please wear masks, friends, especially when you& #39;re around others indoors. Masks *do* work. Masks, distancing, and hand-washing are the most important things we can do to limit #COVID19 transmission.

This @Nature article is a useful primer/response to the anti-mask arguments out there: https://www.nature.com/articles/d41586-020-02801-8">https://www.nature.com/articles/...

Here& #39;s a useful review from @WSJ on research into the efficacy of different types of face coverings. https://www.wsj.com/articles/face-masks-really-do-matter-the-scientific-evidence-is-growing-11595083298">https://www.wsj.com/articles/...

I& #39;m not hiding in a basement. I& #39;m typing this from my actual office in an office building. My kids go to school. I want everyone else& #39;s kids to go to school too. And I wear a mask when I& #39;m around others indoors. https://www.c-span.org/video/?475386-4/washington-journal-avik-roy-discusses-us-response-coronavirus-pandemic">https://www.c-span.org/video/...

As @aginnt says here, masks aren& #39;t a vaccine. They don& #39;t make you invulnerable to #COVID19. But wearing them is a minor inconvenience, relative to the public health benefit, when used appropriately. https://twitter.com/aginnt/status/1318312079858798592?s=20">https://twitter.com/aginnt/st...