Bulletin of the World Health Organization

The global burden of cholera

Mohammad Ali, Anna Lena Lopez, Young Ae You, Young Eun Kim, Binod Sah, Brian Maskery & John Clemens

Volume 90, Number 3, March 2012, 209-218A

Table 3. Summary of cholera cases and deaths reported in the literature, by date, country and World Health Organization (WHO) mortality stratum

Year/Date	Country	WHO stratum	Cholera cases	Deaths	CFR (%)	Variance^a	Weight (1/variance)	Reference	Estimated CFR by WHO region	Per capita total expenditure on health (PPP dollars)²⁷
Oct 1994–Jan 1995	Guinea-Bissau	AFR-D	1 169	43	3.68	0.30	3.30	¹²	3.8	106
Jan 1996–Dec 1996	Nigeria		1 384	92	6.65	0.45	2.23	¹³
Jun 1997–Mar 1998	Kenya	AFR-E	14 275	547	3.83	0.03	38.74	²⁸	3.8	146
Nov 2003–Feb 2004	Zambia		4 343	154	3.55	0.08	12.70	²⁹
Aug 1990–Dec 1990	Malawi		1 931	68	3.52	0.18	5.68	³⁰
Aug 2005	Islamic Republic of Iran	EMR-B	560	7	1.28	0.20	4.96	³¹	1.3	689
15 Oct 2008	Iraq	EMR-D	500	8	1.60	0.31	3.18	³²	3.2	68
24 Jul 1994	Yemen	EMR-D	150	17	11.33	6.70	0.15	³³
5 Feb 2007	Somalia	EMR-D	110	15	13.64	10.71	0.09	³⁴
21 Apr 2006	Sudan	EMR-D	5 369	180	3.35	0.06	16.57	³⁵
Sep 1991–Nov 1991	Bangladesh	SEAR-D	210 265–235 810	8 410–9 432	4.00	0.00	580.86	³⁶	3.0	90
2002–2006	India	SEAR-D	164 100	705	0.31	0.00	207.11	³⁷^–⁴⁵
–	–	SEAR-B	–	–	–	–	–	–	1.0	161
–	–	WPR-B	–	–	–	–	–	–	1.0	199

AFR-D, African Region, stratum D; AFR-E, African Region, stratum E; CFR, case-fatality rate; EMR-B, Eastern Mediterranean Region, stratum B; EMR-D, Eastern Mediterranean Region, stratum D; PPP, purchasing power parity; SEAR-B, South-East Asia Region, stratum B; SEAR-D, South-East Asia Region, stratum D; WPR-B, Western Pacific Region, stratum B.

^a Variance = [CFR × (100 − CFR)] divided by the number of cholera cases.