Polio 101: Signs, symptoms and dangers | CNN
History of Polio – GPEI
Polio 101: Signs, symptoms and dangers | CNN
Polio - Our World in Data
History of polio - Wikipedia
Poliovirus vs smallpox containment: An interview with David Heymann – GPEI
History of polio - BBC News
Poliomyelitis (Poliovirus) - YouTube
Polio - Wikipedia
Polio eradication, cessation of vaccination and re-emergence of disease | Nature Reviews Microbiology
What is Polio?
Polio - Wikipedia
The history of Polio – from eradication to re-emergence - PAHO/WHO | Pan American Health Organization
Polio: What is it and how does it spread? - BBC News
Was I Vaccinated Against Polio? Young Adults Wonder. - The New York Times
CDC Global Health - Polio - Our Progress
A brief history of vaccination | Immunisation Advisory Centre
The polio outbreak of 1955: Lessons from an epidemic - Boston Children's Answers
History of polio: Outbreaks and vaccine timeline
How Good Is the Polio Vaccine? - The Atlantic
COVID-19 and Polio: The Historic Parallels | Time
Polio
History of polio vaccination
Polio vaccination: past, present and future | Future Microbiology
