Bill Gates - There were 350,000 new polio cases in 1988. Last year, there were 37. This is why I spent more time last year on polio than anything else: http://b-gat.es/2leNHPV
Number of acute polio cases per year in sample. | Download Scientific Diagram
Polio - Our World in Data
The dream of polio eradication might need a rethink : Goats and Soda : NPR
Polio number of cases by region worldwide 1980-2021 | Statista
Polio - Our World in Data
Reported paralytic polio cases and deaths, United States, 1910 to 2019
Polio returns to the USA: An epidemiological alert - ScienceDirect