Table 4.

HBR, EIR, annual EIR and calculated period in days (1/EIR) between two infected bites by An. Arabiensis in the ten study areas of Dakar in September-October 2007 (mean CSP index = 0.64%).

Zone	HBR	EIR	Annual EIR	Calculated period (in days) between 2 infected bites
Almadies *	43.7	0.28	16.8	4
Pikine *	15.0	0.10	5.8	10
Université	11.5	0.07	4.4	14
Hann Maristes	5.0	0.03	1.9	31
Ouest Foire *	4.1	0.03	1.6	38
Gibraltar	3.6	0.02	1.4	43
Yarakh *	3.5	0.02	1.3	45
Liberté 5	0.7	0.00	0.3	223
Parcelles Grand Medine	0.2	0.00	0.1	694
Yoff Village	0.1	0.00	0.0	1563

* Study areas in which infected Anopheles have been caught.