RT @dekai123@twitter.com

Get a more concrete feel for how urgent it is to slow #COVID19 by everyone wearing masks NOW, from visual simulations in this 4-min video. Masking protects your community—not just you #UniversalMasking #masks4all #wearafuckingmask #maskupnow https://youtu.be/yfeW2l8G_W4

🐦🔗: https://twitter.com/dekai123/status/1254517734718791680