Prevalence of Multidrug-Resistant Escherichia coli Isolated from Drinking Water Sources

Table 2

Frequency of isolation of E. coli strains in the rainy and dry season.

Water sources	Number of samples analyzed		Number of strains of E. coli isolated		Total (%)
	Rainy	Dry	Rainy	Dry
Dams	15	15	12	16	28 (29)
Boreholes	8	8	4	7	11 (11)
Streams	17	17	10	16	26 (27)
Hand-dug wells	15	15	10	14	24 (25)
Rivers	3	3	0	2	2 (2)
Canals	3	3	3	3	6 (6)
Total	61	61	39	58	97 (100)