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

From: Shiga (Vero)-toxin producing Escherichia coli isolated from the hospital foods; virulence factors, o-serogroups and antimicrobial resistance properties

Samples (No. STEC strains) Distribution of O-serogroups (%)
O157 O26 O103 O111 O145 O45 O91 O113 O121 O128
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) -