Table 5.

Implication of members of Anopheles gambiae complex in malaria transmission

Health district	Anopheline species	2011				2012				2013				2014
		CSP+ (n)	ma	IR	EIR	CSP+ (n)	ma	IR	EIR	CSP+ (n)	ma	IR	EIR	CSP+ (n)	ma	IR	EIR
Garoua	An. arabiensis	1 (78)	0.76	0.01	0.01	1 (31)	0.3	0.03	0.01	3 (75)	0.74	0.04	0.029	1 (7)	0.07	0.14	0.0098
	An. coluzzii	1 (49)	0.48	0.02	0.01	0 (23)	0.23	0	0	1 (42)	0.41	0.02	0.01	0 (18)	0.18	0	0
	An. gambiae	0 (11)	0.11	0	0	0 (7)	0.07	0	0	1 (2)	0.02	0.5	0.01	0 (4)	0.04	0	0
Pitoa	An. arabiensis	2 (113)	1.57	0.02	0.028	1 (67)	0.93	0.01	0.014	1 (86)	1.19	0.01	0.014	1 (71)	0.7	0.01	0.0098
	An. coluzzii	1 (67)	0.93	0.01	0.014	1 (33)	0.46	0.03	0.014	0 (15)	0.21	0	0	1 (20)	0.2	0.05	0.0098
	An. gambiae	0 (14)	0.19	0	0	0 (17)	0.24	0	0	0 (6)	0.08	0	0	0 (15)	0.15	0	0
Mayo Oulo	An. arabiensis	5 (83)	1.54	0.06	0.093	2 (6)	0.11	0.33	0.037	2 (17)	0.31	0.12	0.037	0 (3)	0.06	0	0
	An. coluzzii	0 (8)	0.15	0	0	0 (1)	0.02	0	0	0 (3)	0.06	0	0	0 (0)	0	–	–
	An. gambiae	1 (5)	0.09	0.2	0.019	0 (1)	0.02	0	0	0 (2)	0.04	0	0	0 (2)	0.04	0	0

Abbreviations: CSP+ number of mosquitoes positive to CSP, CSP circumsporozoite protein, EIR entomological inoculation rate (infectious bites/person/night, IR infection rate, ma man biting rate (bites/person/night), n number of mosquitoes examined by CSP ELISA