Progress Toward Poliomyelitis Eradication - Nigeria, January 2018–May 2019
The number of wild poliovirus (WPV) cases in Nigeria decreased from 1,122 in 2006 to six WPV type 1 (WPV1) in 2014. During August 2014-July 2016, no WPV cases were detected; during August-September 2016, four cases were reported in Borno State. An insurgency in northeastern Nigeria had resulted in 4...
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Published in | MMWR. Morbidity and Mortality Weekly Report Vol. 68; no. 29; pp. 642 - 646 |
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Main Authors | , , , , , , , , , , , , , , , , , , , , , , |
Format | Report |
Language | English |
Published |
Atlanta
U.S. Center for Disease Control
26.07.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The number of wild poliovirus (WPV) cases in Nigeria decreased from 1,122 in 2006 to six WPV type 1 (WPV1) in 2014. During August 2014-July 2016, no WPV cases were detected; during August-September 2016, four cases were reported in Borno State. An insurgency in northeastern Nigeria had resulted in 468,800 children aged <5 years deprived of health services in Borno by 2016. Military activities in mid- 2016 freed isolated families to travel to camps, where the four WPV1 cases were detected. Oral poliovirus vaccine campaigns were intensified during August 2016-December 2017; since October 2016, no WPV has been detected. Vaccination activities in insurgent-held areas are conducted by security forces; however, 60,000 unvaccinated children remain in unreached settlements. Since 2018, circulating vaccine-derived poliovirus type 2 has emerged and spread from Nigeria to Niger and Cameroon; outbreak responses to date have not interrupted transmission. Here, Adamu et al describe progress in Nigeria polio eradication activities during January 2018-May 2019 and updates the previous report. |
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ISSN: | 0149-2195 1545-861X |