A meningitis outbreak affected several countries in West and Central Africa in the first half of 2012. As of 13 May 2012, a cumulative number of 800 cases and 78 deaths were reported in Benin. In Burkina Faso, a total of 5,558 cases and 590 deaths were reported. In Chad, a total of 3,636 suspected cases and 154 deaths were reported from 49 districts and a total of 12 districts crossed the epidemic threshold. (WHO, 26 May 2012)
By mid-April, the number of cases had started to decrease (WHO, 30 Jun 2012).