[ForHackernews]

https://www.cartercenter.org/programs/guinea-worm/#by-the-nu...

> Since our efforts began in 1986, the incidence of Guinea worm has fallen by more than 99.99% to 10* human cases in 2025

[cwmoore]

Notice I am not asking for an example. Anecdata of one, and for sure there are many, in isolation is—demonstrably—mostly PR.