Table 4 Total distribution of O-serogroups in the Shiga toxigenic Escherichia coli strains isolated from various types of hospital food samples

Raw meat (4)

1 (25)

2 (50)

-

1 (25)

-

-

-

-

-

-

Raw chicken (4)

1 (25)

1 (25)

-

1 (25)

-

-

-

-

1 (25)

-

Cooked meat (3)

1 (33.33)

1 (33.33)

-

-

-

1 (33.33)

-

-

-

-

Cooked chicken (1)

-

1 (100)

-

-

-

-

-

-

-

-

Cooked fish (1)

-

1 (100)

-

-

-

-

-

-

-

-

Soup (3)

1 (33.33)

1 (33.33)

-

-

-

-

-

-

1 (33.33)

-

Total (16)

4 (25)

7 (43.75)

-

2 (12.50)

-

1 (6.25)

-

-

2 (12.50)

-