1. Global polio Eradication Initiative. Updated statement on report of polio detection in United States, 29 July 2022. Available from: https://polioeradication.org/news-post/report-of-polio-detection-in-united-states/
2. Stanforth Lauren. Polio found in fourth New York wastewater system. Times Union, 28 Aug 2022. Available from: https://www.timesunion.com/news/article/Polio-found-in-fourth-New-York-wastewater-system-17403219.php.
3. CDC. Progress toward interruption of wild poliovirus transmission---worldwide, 2009. MMWR 2010;59:545--50.Available from https://www.cdc.gov/mmwr/preview/mmwrhtml/mm5918a1.htm
4. Global Polio Eradication Initiative. Polio Eradication & Endgame Strategic Plan 2013–2018. WHO/POLIO/13.02. 2013. http://www.polioeradication.org/Portals/0/Document/Resources/StrategyWork/PEESP_EN_US.pdf.
5. Sabin AB. Oral poliovirus vaccine: history of its development and use and current challenge to eliminate poliomyelitis from the world. J Infect Dis. 1985;151(3):420-436. doi:10.1093/infdis/151.3.420