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Number of wild polio cases


Nigeria is the top country by wild polio cases in the world. As of 2005, wild polio cases in Nigeria was 77 that accounts for 49.68 % of the world's wild polio cases. The top 5 countries (others are Sudan, Yemen, India, and Pakistan) account for 92.90 % of it. The world's total wild polio cases was estimated at 155 in 2005.

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