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CLOSE THIS BOOKFact sheet No 114: Poliomyelitis - Revised April 2001 (WHO, 2001, 4 p.)
VIEW THE DOCUMENT(introduction...)
VIEW THE DOCUMENTThe Global Polio Eradication Initiative
VIEW THE DOCUMENTCountries at Risk of Polio
VIEW THE DOCUMENTChallenges Faced in Polio Eradication
VIEW THE DOCUMENTImpact of the Global Polio Eradication Initiative
VIEW THE DOCUMENTFuture Benefits of Polio Eradication

Countries at Risk of Polio

As long as a single child remains infected with poliovirus, children in all countries are at risk of contracting the disease. The poliovirus can be easily reimported into a country and can spread rapidly. At the beginning of 2001, up to 20 countries still had ongoing poliovirus transmission (reduced from 30 countries at the beginning of 2000).

There are ten highest priority countries and they fall into two categories:

· 'Poliovirus reservoirs' where transmission is particularly intense. These countries are characterized by large populations with low routine immunization coverage and poor sanitation. They are Bangladesh, Ethiopia, India, Nigeria and Pakistan.

· Countries affected by conflict, where implementation of vaccination and surveillance activities is particularly challenging. They are Afghanistan, Angola, the Democratic Republic of the Congo, Somalia and Sudan.


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