Our history is a battle against the microbes: we lost terribly before science, public health, and vaccines allowed us to protect ourselves - Our World in Data
Polio has re-emerged in places where it had been eradicated | World Economic Forum
The correlation between polio immunization coverage (%) and new cases... | Download Scientific Diagram
Polio Cases From the Late 30s to 1955 and Polio Vaccine timeline | Tim
Polio - Our World in Data
Polio - Our World in Data
Jason Crawford on Twitter: "Myth: polio was already declining before the introduction of the polio vaccine in 1955 Fact: the epidemics were actually getting worse https://t.co/MYSkeT1et7 https://t.co/VNSM3ngpp3" / Twitter
Polio eradication - Wikipedia
Polio - Our World in Data
Chart: The Long Road to Global Wild Polio Eradication | Statista