History of the Polio Vaccine | Britannica
Polio - Wikipedia
Polio 101: What it is, how it spreads and how to know if you've been vaccinated | Nebraska Medicine Omaha, NE
Polio | Beware of the Bugs
Polio: Virus, Causes, Symptoms, Transmission & Treatment
Polio Information | Mount Sinai - New York
Poliomyelitis
Polio - Meningitis Angels
The Symptoms and Progression of Polio Infection
Terrorists Hamper Polio Eradication Efforts in Africa
The polio outbreak of 1955: Lessons from an epidemic - Boston Children's Answers
Polio - Wikipedia
Why Hasn't the World Eradicated Polio? | Council on Foreign Relations
Polio largely vanished thanks to vaccines. So why is it now back in more countries? | CBC News
Wiping Out Polio: How The U.S. Snuffed Out A Killer : Shots - Health News : NPR
Polio vaccine: How to find your records state by state
Poliomyelitis (Poliovirus) - YouTube
Parents in Pakistan could face prison time for not vaccinating their kids against polio | AP News
Acute Poliomyelitis: Practice Essentials, Pathophysiology, Epidemiology
In new setback for eradication campaign, poliovirus from Pakistan shows up in Africa | Science | AAAS
Polio - Arizona Partnership for Immunization
Polio | Definition, Symptoms, Vaccine, & Facts | Britannica
How Long Does the Polio Vaccine Last and Do You Need a Booster? | SELF
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
Polio outbreak a nonissue among vaccinated population - UT Physicians
