Update on Polio Eradication in the World Health Organization South-East Asia Region, 2013

Patrick Michael O’Connor, Robert Allison, Arun Thapa, Sunil Bahl, Supamit Chunsuittiwat, Mainul Hasan, Zainul Khan, and Tika Sedai Immunization and Vaccine Development, World Health Organization Regional Office for South-East Asia, and National Polio Surveillance Project, World Health Organization Country Office for India, New Delhi, India; and South-East Asia Regional Certification Commission for Polio Eradication, Nonthaburi, Thailand