Africa declared free of wild polio in 'milestone' - BBC News
The world just took a step closer to eradicating polio | World Economic Forum
Poliomielite - Wikipedia
Polio Cases Confirmed in Six Countries — Precision Vaccinations News
Polio - Our World in Data
Progress Toward Polio Eradication — Worldwide, 2015–2016 | MMWR
Polio - Our World in Data
Estimation of polio infection prevalence from environmental surveillance data | Science Translational Medicine
The American Association of Immunologists - Polio: Part III—The Vaccine
Polio - Health Protection Surveillance Centre
Polio cases drop by 99.9% - WHO
Estimated total annual paralytic polio cases since 1950 with GPEI... | Download Scientific Diagram
WHO EMRO | Pakistan | Priority countries | Polio Eradication
No of confirmed polio cases in the last decade in Pakistan. | Download Scientific Diagram
The U.S. Government and Global Polio Efforts | KFF
File:The number of reported paralytic polio cases by world region, OWID.svg - Wikimedia Commons
Polio: What is it and how does it spread? - BBC News
Two decades of battle against polio: opening a window to examine public health in China - ScienceDirect
Polio - Vaccines - ProCon.org
Progress Toward Polio Eradication — Worldwide, January 2018–March 2020 | MMWR
Chart: Wild Polio Returns in Africa | Statista
Reported versus estimated cases of polio - Our World in Data
The dream of polio eradication might need a rethink : Goats and Soda : NPR
Africa is on track to be declared polio-free
Polio - Our World in Data
