The global fight against polio — how far have we come? - Our World in Data
I think it’s always worth revisiting accomplishments like this—it’s absolutely astounding that we don’t even think about polio (or smallpox!) in our day-to-day lives, when just two generations ago it was something that directly affected everybody.
The annual number of people paralyzed by polio was reduced by over 99% in the last four decades.