Africa declared free from wild polio — but vaccine-derived strains remain
History of polio - BBC News
Wiping Out Polio: How The U.S. Snuffed Out A Killer : Shots - Health News : NPR
The Fate of Polio: Eradication or Elimination? | KQED
Polio - and then there were two – DW – 10/28/2015
Polio case confirmed in New York state, health-care providers told to look for more
Polio in New York: virus shows in wastewater sampling. Many New Yorkers are still unvaccinated
Global Polio - Alert - Level 2, Practice Enhanced Precautions - Travel Health Notices | Travelers' Health | CDC
How Good Is the Polio Vaccine? - The Atlantic
Wild Polio Continues Paralyzing Children in Pakistan — Vax Before Travel
Is Polio Coming Back? Six Things to Know | unfoundation.org
Africa declared free of wild polio in 'milestone' - BBC News
Why some vaccinated people can still spread polio | CNN
First U.S. Polio Case in Nearly a Decade Highlights the Importance of Vaccination - Scientific American
Chart: The Long Road to Global Wild Polio Eradication | Statista
Two Strains of Polio Are Gone, but the End of the Disease Is Still Far Off - The New York Times
New Polio Cases Confirmed in Five Countries — Precision Vaccinations
Further Review: The Fight Against Polio | The Spokesman-Review
The Eradication of Polio — Progress and Challenges | NEJM
Polio - Wikipedia
Why Hasn't the World Eradicated Polio? | Council on Foreign Relations
Why is Polio Making A “Comeback” And What Can We Do About It? - Speaking of Medicine and Health
Polio vaccination map: The states with highest and lowest rates
