History of Polio – GPEI
History of polio vaccination
History of polio - BBC News
Should you worry about the first U.S. polio case in nearly a decade : NPR
Medical Advancement: Discovery of Polio Vaccine
The history of Polio – from eradication to re-emergence - PAHO/WHO | Pan American Health Organization
History of Polio – GPEI
Defeating Polio, The Disease That Paralyzed America : NPR History Dept. : NPR
Polio Vaccine History: Timeline of Poliomyelitis Discovery and Vaccine Invention
When Polio Triggered Fear Among Parents in the Post-World War II Era - HISTORY
The history of polio and the vaccines that nearly eradicated it - The Washington Post
Polio Virus Detected In São Paulo Sewage, No Human Case Reported | Time
Breaking the back of polio” < Yale School of Medicine
History of Polio – GPEI
Who created the polio vaccine? | Live Science
History of polio - BBC News
Jonas Salk and the Polio Vaccine (Inventions and Discovery): Krohn, Katherine, Milgrom, Al: 9780736896450: Amazon.com: Books
N.Y. state detects polio case, first in the U.S. since 2013
When Polio Triggered Fear Among Parents in the Post-World War II Era - HISTORY
Chapter 7: Polio Research, Conquering the "Crippler" | Connaught Fund
Polio Is Back in the US and UK. Here's How That Happened | WIRED
More polio detected in New York City wastewater, data shows - ABC News
Dr. Jonas Salk Announces Polio Vaccine - HISTORY
History of polio - Wikipedia
The Development of the Polio Vaccine - The official blog of Newspapers.com
