Nate Silver @NateSilver538
Yeah, the "ackshawlly, 6 feet is an arbitrary distance" folks aren't super helpful. Of course it's arbitrary. You don't magically go from RISKY at 5.99' to SAFE at 6.01'. Instead risk presumably declines as some nonlinear function of distance X exposure. — PolitiTweet.org
Pradheep J. Shanker @Neoavatara
With wind, the viral distribution is so diffuse that it is likely not clinically significant. https://t.co/fGSQlXyXtq