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Immunization. Polio Eradication. Coverage (%). Number of cases. Type 1 vaccine derived virus in 2000 and 2001: 21 cases Coverage data for 2007 not available Source: Country reports .
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Immunization Polio Eradication Coverage (%) Number of cases Type 1 vaccine derived virus in 2000 and 2001: 21 cases Coverage data for 2007 not available Source: Country reports