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Global Polio Eradication progress 2002
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May 2003
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Description:In 2002, the number of polio-endemic countries dropped to seven, the lowest level in history: (from highest to lowest) India, Nigeria, Egypt, Pakistan, Afghanistan, Niger and Somalia. Within these countries, the extent of transmission was geographically limited, with 80% of cases confined to just six states/provinces of India, Nigeria and Pakistan.
WHO/POLIO/03.02
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