Polio number of cases by region worldwide 1980-2020 | Statista
Polio - Our World in Data
Global epidemiology of vaccine-derived poliovirus 2016–2021: A descriptive analysis and retrospective case-control study - eClinicalMedicine
The Eradication of Polio — Progress and Challenges | NEJM
Global implications of polio in the United States in 2022
Polio - Our World in Data
Data Highlights - 19: Two Stories of Disease: Smallpox and Polio | EPI
The U.S. Government and Global Polio Efforts | KFF
Why Hasn't the World Eradicated Polio? | Council on Foreign Relations
Polio - Our World in Data
Polio - Our World in Data
Polio - Our World in Data
Progress Toward Polio Eradication — Worldwide, January 2020–April 2022 | MMWR
Polio - Our World in Data
More Polio Cases Confirmed in Africa — Precision Vaccinations
Africa declared free of wild polio in 'milestone' - BBC News
The world just took a step closer to eradicating polio | World Economic Forum
Philippines polio cases a warning for vulnerable Ukraine | Reuters
Wiping Out Polio: How The U.S. Snuffed Out A Killer : Shots - Health News : NPR
Progress Toward Polio Eradication — Worldwide, 2013–2014
Polio: Two out of three strains 'eradicated' – DW – 10/24/2019
Polio - Our World in Data
Polio - Our World in Data
Progress Toward Polio Eradication — Worldwide, 2014–2015
COVID-19 vaccination gives hope to eradicate polio | Nature Medicine
