Table 1.

Prevalence of Salmonella and different serotypes detected

Sample types		Examined	Positive (%)	Number of serotypes
Tap water		36	0	0
Well water		51	1 (2 %)	1
Channel water	CA	52	16 (31 %)	13
	CB	35	7 (20 %)	7
Reservoir water	RY	10	2(20 %)	2
	RT	34	5 (15 %)	4
Fish		238	57 (24 %)	34
Salad		20	10 (50 %)	4
Total		476	98 (21 %)	50

CA = Channel A, CB = Channel B, RY = Reservoir of Yamtenga RT = Reservoir of Tanghin