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CDC Polio Response - Maps and Documents for the Focus Countries

Acronyms and Abbreviations

Focus Countries:

Nigeria (Click for addition country information) - Nigeria is one of the most entrenched reservoirs of wild poliovirus in the world. It is the only country with ongoing transmission of all three serotypes: wild poliovirus type 1, wild poliovirus type 3, and circulating vaccine-derived poliovirus type 2. States in the north of the country are the main source of polio infections elsewhere in Nigeria and in neighbouring countries. In 2009, operational improvements in these northern states led to a 90% decline in cases of wild poliovirus type 1 and a 50% decline in overall cases compared with 2008. Source: Global Polio Eradication Initiative (http://www.polioeradication.org/Infectedcountries/Nigeria.aspx), online April 12, 2012

Afghanistan (Click for addition country information) - Most of Afghanistan is polio-free. Persistent wild poliovirus transmission is largely estricted to 13 districts in the provinces of Helmand, Kandahar and Uruzgan in the south of the country, where accessing children is difficult due to insecurity and conflict. In addition, Afghanistan and neighbouring Pakistan repeatedly re-infect one other, with Afghanistan appearing to receive a higher share of the poliovirus importations. Source: Global Polio Eradication Initiative (http://www.polioeradication.org/Infectedcountries/Afghanistan.aspx), online April 12, 2012

Pakistan (Click for addition country information) - Persistent wild poliovirus transmission is restricted to three groups of districts: (1) Karachi city, (2) a group of districts in Balochistan Province, and (3) districts in the Federally Administered Tribal Areas (FATA) and the North-West Frontier Province. In addition, Pakistan and neighbouring Afghanistan repeatedly re-infect one other, due to the substantial population movements within and between the countries. Source: Global Polio Eradication Initiative (http://www.polioeradication.org/Infectedcountries/Pakistan.aspx), online April 12, 2012

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