South Korea was doing a heroic job controlling #COVID for the first 30 patients. Then #Patient31 did not adhere to #socialdistancing. Caused 2 clusters responsble for 80% of South Koreas infections. Don't be #Patient31. #CancelEverything #medtwitter https://t.co/aE7WKTq9dX

— Haseeb Ahmad (@haseebayazi) March 15, 2020