Table 1 Distribution of Escherichia coli , Salmonella spp., and Vibrio cholerae tap-water and bottled mineral water-positive samples from Isfahan province, Iran

Western Isfahan (n = 36)

10

2

-

Tap-water

Central Isfahan (n = 36)

2

1

-

(n = 144)

Northern Isfahan (n = 36)

10

-

-

Southern Isfahan (n = 36)

16

2

3

Total (n = 144)

38 (26.38%)

5 (3.47%)

3 (2.08%)

Bottled mineral water

Company 1 (n = 56)

-

-

-

(n = 304)

Company 2 (n = 61)

3

-

-

Company 3 (n = 46)

-

-

-

Company 4 (n = 42)

-

-

-

Company 5 (n = 69)

5

-

-

Total (n = 304)

8 (2.63%)

-

-

Total (n = 448)

Total (n = 448)

46 (10.26%)

5 (1.11%)

3 (0.66%)