DOG SNIFFING FOR COVID: Intriguing—8 dogs 🐕 were tested w/ 1000 human saliva samples, some from Covid patients. Dogs sniffed out 94% overall after 5 days training, but miss ID’ed some. Avg sensitivity 83% (range 70-95%). Amazing considering no 7 day wait! https://t.co/A59QL9mBKK— Eric Feigl-Ding (@DrEricDing) July 27, 2020