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apr 25, 1991 - 12 states affected: Kano, Katsina, Bendel, Borno. - The epidemiological peak in October - 2,561 cases, 661 deaths reported - CFR 26% - 54% cases <15 y/o - M:F sex ratio 1.1
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Date:
apr 25, 1991
Now
~ 33 years ago