How Polio Crept Back into the U.S.

July 26, 2022

(ProPublica) – Polio’s first appearance in almost a decade in the U.S., confirmed late last week by health officials in New York, would play out quite differently. In the U.S., public health agencies generally don’t test sewage for polio. Instead, they wait for people to show up sick in doctor’s offices or hospitals — a reactive strategy that can give this stealthy virus more time to circulate silently through the community before it is detected. (Read More)