25 apr 1991 anni - 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

Aggiunto al nastro di tempo:

25 ott 2017

0

0

411

test1

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