US Centers for Disease Control and Prevention. Infographic: The Time to Eradicate Polio is Now. http://www.cdc.gov/globalhealth/immunization/infographic/eradicate_polio.htm. Accessed 16 January 2016.
World Health Organization. Global Polio Eradication Initiative. Data and Monitoring. http://www.polioeradication.org/Dataandmonitoring.aspx. Accessed 29 February 2016.
Smith JS. Patenting the Sun: Polio and the Salk Vaccine. New York, NY: William Morrow and Company, Inc; 1990. p. 157.
US Centers for Disease Control and Prevention. Global Health – Polio. http://www.cdc.gov/polio/about/. Accessed 27 February 2016.
United Nations Children’s Fund (UNICEF). A critical leap to polio eradication in India. 2003. p. 13. http://www.unicef.org/rosa/critical.pdf. Accessed March 8, 2016.
Sutter RW, John TJ, Jain H, Agarkhedkar S, Ramanan PV, Verma H, et al. Immunogenicity of bivalent types 1 and 3 oral poliovirus vaccine: a randomised, double-blind, controlled trial. Lancet. 2010;376:1682–8.
Kew OM, Wright PF, Agol VI, Delpeyroux F, Shimizu H, Nathanson N, et al. Circulating vaccine-derived polioviruses: current state of knowledge. Bull World Health Organ. 2004;82(1):16–23.
Polio: eradication. Nature Web Focus. http://www.nature.com/nature/focus/polio/eradication.html. Accessed March 8, 2016.
World Health Organization. Global Polio Eradication Initiative. History of polio. http://www.polioeradication.org/Polioandprevention/Historyofpolio.aspx. Accessed 28 February 2016.
Independent Monitoring Board of the Global Polio Eradication Initiative. Report, April 2011. http://www.polioeradication.org/Portals/0/Document/Data&Monitoring/IMB_Reports/IMB_Report_April2011.pdf.
World Health Organization. Global Polio Eradication Initiative. Weekly Polio Update. http://www.polioeradication.org/dataandmonitoring/poliothisweek.aspx. Accessed 8 March 2016.
Patil N. Health Camps: Expanding Access to Healthcare during Polio Immunization Campaigns in Northern Nigeria. OpenIDEO Report. 2014. https://challenges.openideo.com/challenge/zero-to-five/research/health-camps-expanding-access-to-healthcare-during-polio-immunization-campaigns-in-northern-nigeria. Accessed 12 January 2016.
IRIN News. Thousands at Risk of Polio in Somalia’s Port City of Kismayo. 2012. http://www.irinnews.org/report/96744/in-brief-thousands-at-risk-of-polio-in-somalia-s-port-city-of-kismayo. Accessed 12 January 2016.
McGirk T. Taliban Assassins Target Pakistan’s Polio Vaccinators. National Geographic. 2015. http://news.nationalgeographic.com/2015/03/150303-polio-pakistan-islamic-state-refugees-vaccination-health/. Accessed 12 January 2016.
Boone J. Bomb attack at polio vaccination centre kills 15 in Pakistani city of Quetta. The Guardian. 2016. http://www.theguardian.com/world/2016/jan/13/bomb-attack-at-polio-vaccination-centre-kills-14-in-pakistani-city-of-quetta. Accessed 14 January 2016.
Islamic Advisory Group for Polio Eradication. http://www.iag-group.org/iag/home/. Accessed 18 January 2016.
World Health Organization. Introduction of inactivated polio vaccine and switch from trivalent to bivalent oral poliovirus vaccine worldwide, 2013–2016. Wkly Epidemiol Rec. 2015;90(27):337–42.
World Health Organization. Emergencies, preparedness, response. Circulating vaccine-derived poliovirus – Ukraine. September 1, 2015. http://www.who.int/csr/don/01-september-2015-polio/en/. Accessed 1 March 2016.
Independent Monitoring Board of the Global Polio Eradication Initiative. Now is the Time for Peak Performance. Twelfth Report: October 2015. http://www.polioeradication.org/Portals/0/Document/Aboutus/Governance/IMB/13IMBMeeting/13IMB_Report_EN.pdf.
Asghar H, Diop OM, Weldegebriel G, Malik F, Shetty S, El Bassioni L, et al. Environmental surveillance for polioviruses in the Global Polio Eradication Initiative. J Infect Dis. 2014;210 Suppl 1:S294–303.