Table 1.

Major epidemics in sub-Saharan Africa over the past 40 years.

Country	Year	Number of cases	CFR	Serotype
Before MenAfriVac Campaign
Nigeria15	1977	1257	8.3	A
Rwanda16	1978	1182	4.8	A
Burkina Faso17	1979	538	10.2	C
Côte d’Ivoire18	1983	414	NA	A
	1985	251	8.5	A
	1985	367	8.5	A
Chad19	1988	4542	9.5	A
Sudan20	1988	32,016	NA	A
Ethiopia21,22	1981	50,000	2.0	A
	1989	41,139	3.9	A
Kenya23	1989	3800	9.4	A
Burundi24,25	1992	1615	8.0	A
Burkina Faso26	1996	42,129	10.0	A
	1997	22,305	11.3	A
Mali25	1996	7254	11.5	A
	1997	11,228	10.1	A
Niger27,28	1995	41,930	8.7	A
	1996	16,145	9.9	A
Nigeria29	1996	109,580	11.2	A
Burkina Faso30	2002	13,000	8.7	W
Nigeria31	2009	55,626	4.1	A
Niger31	2009	12,604	4.0	A
After MenAfriVac Campaign
Burkina Faso32	2012	2825	16.9	W
Chad32	2012	5808	4.4	A
Nigeria33	2015	6394	5.0	C
Niger34	2015	8500	6.7	C