Africa declared free of wild polio in 'milestone' - BBC News
Polio - Our World in Data
6 key numbers in the fight to end polio | World Economic Forum
Polio - Our World in Data
Polio: Do we have to worry about it once again? - BBC News
History of polio - BBC News
Polio Cases Surge in Pakistan and Afghanistan - The New York Times
Inside Pakistan's fight for zero polio cases, where women are on the frontlines - ABC News
Africa declared free from wild polio — but vaccine-derived strains remain
Polio - Our World in Data
Canada advancing to ensure safe and secure containment of poliovirus – GPEI
UN says new polio outbreak in Sudan caused by oral vaccine | AP News
Polio Eradication - Kernersville Rotary
Global leaders commit $US2.6 billion at World Health Summit to end polio
Further Review: The Fight Against Polio | The Spokesman-Review
Why Hasn't the World Eradicated Polio? | Council on Foreign Relations
Polio Now – GPEI
Polio - Our World in Data
Africa is on track to be declared polio-free | The Economist
Polio eradication, cessation of vaccination and re-emergence of disease | Nature Reviews Microbiology
Global Polio - Alert - Level 2, Practice Enhanced Precautions - Travel Health Notices | Travelers' Health | CDC
Polio - Wikipedia
Polio Eradication Report: '2020 Has Been A Terrible Year' : Goats and Soda : NPR
File:Polio world map web jpg.jpg - Wikimedia Commons
