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Global Polio Eradication Initiative : annual report 2015 : eradication within reach…
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Global Polio Eradication Initiative : annual report 2015 : eradication within reach…
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    The GPEI Annual Report 2015 provides a historical record and epidemiological summary of the global polio eradication effort during the calendar year 2015. As referenced in the report, Nigeria was removed from the list of endemic countries in September 2015, following no detection of wild poliovirus cases since July 2014. In August 2016, three new cases due to wild poliovirus type 1 (WPV1) were detected from Borno state, Nigeria. Genetic sequencing of the isolated viruses indicate they are most closely linked to WPV1 last detected in Borno in 2011, indicating the strain has been circulating without detection since that time. The Government of Nigeria immediately launched an aggressive outbreak response and declared the outbreak a national public health emergency. At the same time, additional measures are being implemented to strengthen subnational surveillance sensitivity. The response is part of a broader regional outbreak response within the context of the humanitarian emergency in the region, coordinated with neighbouring countries, in particular the Lake Chad sub-region, including Chad, northern Cameroon, southern Niger and parts of Central African Republic. At the Regional Committee for Africa on 21 August 2016, Health Ministers declared the polio outbreak to be a regional public health emergency for countries in the Lake Chad sub-region. Detection of these cases underscores the risk posed by low-level undetected transmission, and of the urgent need to strengthen subnational surveillance everywhere. Although confirmation of these cases falls outside of the 2015 reporting period of this report, the editors felt its importance warranted an editorial note, placing the epidemiological situation in 2015 in the context of 2016. For more and up-to-date information on the evolving situation, please visit www.polioeradication.org. WHO/POLIO/16.01 AR2015.pdf
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