
Nate Silver @NateSilver538
This section from their preprint is important. Immune responses vary, so for some small but unknown % of people reinfections will be possible on short time scales. But protection looks to be quite robust at 5-6 months out in ~90% of cases. https://t.co/uh3fQNNGck https://t.co/dfy1bnMCjS — PolitiTweet.org