Now free Africa of vaccine-derived poliovirus – DW – 09/10/2020
Polio - Our World in Data
The Fate of Polio: Eradication or Elimination? | KQED
Decade of Last Polio Case in Each Country Worldwide : r/MapPorn
Africa is on track to be declared polio-free | The Economist
Polio has re-emerged in places where it had been eradicated | World Economic Forum
Polio - Our World in Data
Polio - Our World in Data
History of polio - BBC News
The Eradication of Polio — Progress and Challenges | NEJM
Polio - Our World in Data
Global Polio Eradication Efforts - EveryCRSReport.com
How the world is ending polio | News | Wellcome
Polio
File:Polio worldwide 2022.svg - Wikipedia
File:Polio worldwide 2020.svg - Wikipedia
Polio Now – GPEI
File:Polio worldwide 2022.svg - Wikipedia
Polio - Our World in Data
Polio - and then there were two – DW – 10/28/2015
Polio: Do we have to worry about it once again? - BBC News
Progress Toward Polio Eradication — Worldwide, January 2020–April 2022 | MMWR
Polio Eradication Suffers A Setback As Somali Outbreak Worsens : Shots - Health News : NPR
Africa declared free of wild polio in 'milestone' - BBC News
History of polio - BBC News
