Skip to main content

Table 2 Frequency distribution of STEC serovars and drug resistance traits in samples collected from cattle and humans in this study

From: Prevalence, antimicrobial resistance, and genotyping of Shiga toxin-producing Escherichia coli in foods of cattle origin, diarrheic cattle, and diarrheic humans in Egypt

Serovar Foods of cattle origin Diarrheic cases Total
N = 400
Milk
N = 100
Beef
N = 100
Subtotal
N = 200
Cattle
N = 100
Humans
N = 100
Subtotal
N = 200
O26:H11 3 (3) 2 (2) 5 (2.5) 9 (9) 4 (4) 13 (6.5) 18 (4.5)
O111:H2 0 (0) 2 (2) 2 (1) 0 (0) 4 (4) 4 (2) 6 (1.5)
O91:H21 2 (2) 0 (0) 2 (1) 1 (1) 1 (1) 2 (1) 4 (1)
O128:H2 0 (0) 3 (3) 3 (1.5) 1 (1) 0 (0) 1 (0.5) 4 (1)
O103:H2 1 (1) 0 (0) 1 (0.5) 0 (0) 1 (1) 1 (0.5) 2 (0.5)
O113:H4 0 (0) 0 (0) 0 (0) 1 (1) 0 (0) 1 (0.5) 1 (0.3)
Total STEC 6 (6) 7 (7) 13 (6.5) 12 (12) 10 (10) 22 (11) 35 (8.8)
CR-STEC 1 (1) 0 (0) 1 (0.5) 2 (2) 4 (4) 6 (3) 7 (1.8)
ESBL-STEC 2 (2) 1 (1) 3 (1.5) 7 (7) 7 (7) 14 (7) 17 (4.3)
MDR-STEC 2 (2) 1 (1) 3 (1.5) 8 (8) 7 (7) 15 (7.5) 18 (4.5)
  1. STEC: Shiga toxin-producing Escherichia coli; CR-STEC: carbapenemase-producing STEC; ESBL-STEC: extended-spectrum β-lactamase producing STEC; MDR-STEC: multidrug resistant STEC; brackets: percent: N: number of samples