Progress Toward Poliomyelitis Eradication — Nigeria, January 2012–September 2013

Transmission of wild poliovirus (WPV) has never been interrupted in Afghanistan, Pakistan, and Nigeria, and since 2003, Nigeria has been a reservoir for WPV reintroduction to 25 polio-free countries. In 2012, the Nigerian government activated an emergency operations center and implemented a national...

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Bibliographic Details
Published in:	MMWR. Morbidity and mortality weekly report 2013-12, Vol.62 (49), p.1009-1013
Main Authors:	Etsano, Andrew, Shuaib, Faisal, Mkanda, Pascal, Banda, Richard, Korir, Charles, Corkum, Melissa, Ndiaye, Serigne, Mahoney, Frank, Vertefeuille, John F, Burns, Cara C
Format:	Article
Language:	eng
Subjects:	Adolescent Child Child, Preschool Children Disease control Disease Eradication Disease prevention Environmental surveillance Humans Immunization Immunization Programs Incidence Infant Local government Lot quality assurance sampling Medical statistics Nigeria - epidemiology Oral poliovirus vaccine Polio Poliomyelitis Poliomyelitis - epidemiology Poliomyelitis - prevention & control Poliomyelitis - transmission Poliovirus Poliovirus - genetics Poliovirus - isolation & purification Poliovirus Vaccines - administration & dosage Population Surveillance Public health Vaccination
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Summary:	Transmission of wild poliovirus (WPV) has never been interrupted in Afghanistan, Pakistan, and Nigeria, and since 2003, Nigeria has been a reservoir for WPV reintroduction to 25 polio-free countries. In 2012, the Nigerian government activated an emergency operations center and implemented a national emergency action plan to eradicate polio. The 2013 revision of this plan prioritized 1) improving quality of supplemental immunization activities (SIAs), 2) implementing strategies to reach underserved populations, 3) adopting special approaches in security-compromised areas, 4) improving outbreak response, 5) enhancing routine immunization and activities implemented between SIAs, and 6) strengthening surveillance. This report summarizes polio eradication activities in Nigeria during January 2012-September 2013 and updates previous reports. During January-September 2013, 49 polio cases were reported from 26 local government areas (LGAs) in nine states in Nigeria, compared with 101 cases reported from 70 LGAs in 13 states during the same period in 2012. For all of 2012, a total of 122 cases were reported. No WPV type 3 (WPV3) cases have been reported since November 2012. For the first time ever, in 2013, no polio cases of any type have been detected in the northwest of Nigeria; however, transmission continues in Kano and states in the northeast. Despite considerable progress, 24 LGAs in 2012 and seven LGAs in 2013 reported two or more cases; WPV continues to circulate in eight LGAs that had cases in 2012. Efforts to interrupt transmission remain impeded by insecurity, anti-polio-vaccine sentiment, and chronically poor SIA implementation in selected areas. Improvement of SIA quality and effective outbreak response will be needed to interrupt WPV transmission in 2014.
ISSN:	0149-2195 1545-861X