<p>First cases were reported in week14, the epidemic threshold was crossed in the same week and the peak was reached in week15. The epidemic was located in a single surveillance zone at the Gradoumé health center. The male sex was mostly affected (65%) with an M/F ratio of 1.85. The 5-14 age group was the most affected (70%) with a median age of 8(3.5; 11.5) years. The germs identified are NmC (50%), Hi (25%) and Spn (25%). The case fatality is 20%. It was more important at the beginning of the epidemic (50% in W14). Case fatality is higher among 5–14-year-olds (21.4%)</p>