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History of the Polio Vaccine | Britannica
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History of polio vaccination
Parents in Pakistan could face prison time for not vaccinating their kids against polio | AP News
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Polio Vaccination Rates in Some Areas of the US Hover Dangerously Close to the Threshold Required for Herd Immunity – Here's Why that Matters - UConn Today
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Polio & Vaccines to Prevent Paralytic Polio - HealthyChildren.org
Poliomyelitis
Polio outbreak a nonissue among vaccinated population - UT Physicians
New York adult diagnosed with polio, first US case in nearly a decade | CNN
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Acute Poliomyelitis: Practice Essentials, Pathophysiology, Epidemiology
Polio 101: What it is, how it spreads and how to know if you've been vaccinated | Nebraska Medicine Omaha, NE
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Polio - Meningitis Angels
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Polio: History, Causes, Diagnosis, Treatment and More
Polio | Definition, Symptoms, Vaccine, & Facts | Britannica
Why Hasn't the World Eradicated Polio? | Council on Foreign Relations
