Nate Silver @NateSilver538
The test used by NYC claims to have 93% specificity = a 7% false negative rate. That's a nontrivial problem. It may partly counteract the issue with false positives or even outweigh it, depending on the false positive rate and the true rate of infection. https://t.co/MUE08IzKT1 — PolitiTweet.org