West African meningitis outbreak kills 931: A meningitis outbreak has killed 931 people in four West African countries since January, with most deaths occurring in the continent's most populous nation Nigeria, the United Nations said Wednesday. "Four countries of West Africa are affected with a total of 13,516 cases and 931 deaths," the UN children's agency UNICEF has reported. . "Nigeria is the most affected with 9,086 cases and 562 deaths. Niger reports 2,620 cases and 113 deaths. Burkina Faso reports 1,756 cases and 250 deaths. Mali reports 54 cases and six deaths.

Source: Agence France-Presse (AFP) cited by Google News  

Comment 
Burkina Faso, Mali, Niger and Nigeria are located in the “meningitis belt” where outbreaks ocuur at regular intervals. Preliminary reports implicate both serogroup A and W135 in the outbreak, and immunizations should therefore be performed with the vaccine containing 4 antigens, A, C, Y and W135.