Tracking Progress Toward Polio Eradication — Worldwide, 2013–2014
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Tracking Progress Toward Polio Eradication — Worldwide, 2013–2014

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English
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  • Alternative Title:
    MMWR Morb Mortal Wkly Rep
  • Personal Author:
  • Description:
    Global efforts to eradicate polio began in 1988 and have been successful in all but two of the six World Health Organization (WHO) regions. Within these two regions (African and Eastern Mediterranean), three countries (Afghanistan, Nigeria, and Pakistan) have never interrupted transmission of wild poliovirus (WPV). Outbreaks following importation of WPV from these countries occurred in the Horn of Africa, Central Africa, and in the Middle East during 2013-2014. The primary means of tracking polio is surveillance for cases of acute flaccid paralysis (AFP), the main symptom of polio, followed by testing of AFP patients' stool specimens for both WPV and vaccine-derived poliovirus (VDPV) in WHO-accredited laboratories within the Global Polio Laboratory Network (GPLN). This is supplemented with environmental surveillance (testing sewage for WPV and VDPV) (4). Both types of surveillance use genomic sequencing for characterization of poliovirus isolates to map poliovirus transmission and for identifying gaps in AFP surveillance by measuring genetic divergence between isolates. This report presents 2013 and 2014 poliovirus surveillance data, focusing primarily on the two WHO regions with endemic WPV transmission, and the 29 countries (African Region = 23; Eastern Mediterranean Region = six) with at least one case of WPV or circulating VDPV (cVDPV) reported during 2010-2014. In 2013, 20 of these 23 African region countries met both primary surveillance quality indicators; in 2014, the number decreased to 15. In 2013, five of the six Eastern Mediterranean Region countries met the primary indicators, and in 2014, all six did. To complete and certify polio eradication, surveillance gaps must be identified and surveillance activities, including supervision, monitoring, and specimen collection, further strengthened.
  • Subjects:
  • Source:
    MMWR Morb Mortal Wkly Rep. 2015; 64(15):415-420.
  • Pubmed ID:
    25905895
  • Pubmed Central ID:
    PMC5779548
  • Document Type:
    Journal Article
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