When Polio Triggered Fear... www.history.com

First U.S. Polio Case in... www.scientificamerican.com

Wiping Out Polio: How The... www.npr.org

Covid reminds us of polio... www.washingtonpost.com

The polio outbreak of 1955:... answers.childrenshospital.o...

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Wiping Out Polio: How The... news.wgcu.org

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How vaccination became... www.nationalgeographic.com

History of polio... www.who.int

Then and Now: Polio and... cvm.msu.edu

The Anti-Vaccine Movement... www.theatlantic.com

What polio in post-WWII... www.pbs.org

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Sedalians remember the... www.sedaliademocrat.com

History of polio: Outbreaks... www.mayoclinic.org

How a Polio Outbreak in... www.smithsonianmag.com