Polio May Be Eradicated by 2020 | American Council on Science and Health
Risk factors for the spread of vaccine-derived type 2 polioviruses after global withdrawal of trivalent oral poliovirus vaccine and the effects of outbreak responses with monovalent vaccine: a retrospective analysis of surveillance
The world just took a step closer to eradicating polio | World Economic Forum
Polio Cases From the Late 30s to 1955 and Polio Vaccine timeline | Tim
Polio - Our World in Data
Lessons from how the polio vaccine went from the lab to the public that Americans can learn from today
Polio - Our World in Data
Polio - Vaccine Preventable Diseases Surveillance Manual | CDC
Further Review: The Fight Against Polio | The Spokesman-Review
Mass Inoculation or: How New York Learned to Stop Worrying and Love the Polio Vaccine — NYC Department of Records & Information Services
Polio - Our World in Data
Polio number of cases by region worldwide 1980-2020 | Statista
Progress Toward Polio Eradication — Worldwide, January 2018–March 2020 | MMWR
Polio in Nigeria: 'I opposed vaccinations until my son caught polio' - BBC News
Weren't the death rates from these diseases dropping before vaccines came along? | Northern Rivers Vaccination Supporters
Further Review: The Fight Against Polio | The Spokesman-Review
Polio - Health Protection Surveillance Centre
Polio - Our World in Data
Chart: The Long Road to Global Wild Polio Eradication | Statista
Poliovirus returns to the UK after nearly 40 years: current efforts and future recommendations | Postgraduate Medical Journal
Africa is on track to be declared polio-free | The Economist
File:Polio cases over time.svg - Wikimedia Commons
Polio - Our World in Data
Polio - Vaccines - ProCon.org
Two Stories of Disease: Smallpox and Polio | Grist
How America beat polio | ShareAmerica
Polio - Our World in Data
