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1994

On August 20, 1994, the Pan American Health Organization (PAHO) reported three years had passed since the last case of wild polio in the Americas. A 5-year-old Peruvian boy was the last registered case in 1991. Wild poliovirus was declared eliminated from the Western Hemisphere in September 1994, making the Americas the first World Health Organization (WHO) region to meet the goal of polio elimination.

Reference: Hussein H, et al. Front Public Health. 2015;3:269.

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