Polio returns to the USA: An epidemiological alert - ScienceDirect
Midlanders recall their experiences with polio, vaccines
Polio case and death rates in the United States - Our World in Data
Jason Crawford on X: "Even more obvious and dramatic on a log-scale chart: Over 1000 cases/year every year before 1962 Fewer than 1000 cases/year since then Fewer than 100 cases/year since 1967
Reported paralytic polio cases and deaths, United States, 1910 to 2019
Is Polio Back? - Axiom Medical
Learning about Polio | Brookline Rotary Club
Poliovirus (U.S. National Park Service)
Chart: Wild Polio Returns in Africa | Statista
Wiping Out Polio: How The U.S. Snuffed Out A Killer : Shots - Health News : NPR
Polio - Vaccine, Eradication, Epidemics | Britannica
Polio has re-emerged in places where it had been eradicated | World Economic Forum