Table 1 Characteristics of the ESBL-producing Escherichia coli clusters isolated from wastewater specimen

WWCG1a

2 × 10⁴ – 4 × 10^{4 a}

CTX-M-14, TEM-1

1

1a

WWCG1b

2.5 × 10⁴ – 2.5 × 10^{5 a}

CTX-M-27

1

1b

WWCG2

1 × 10⁴ - 1 × 10^{6 a}

CTX-M-1

2

-

WWCG3

2 × 10⁴

TEM-3

3

-

WWCG4

1 × 10⁴

TEM-3

4

-

WWCG5

2 × 10⁴

CTX-M-1, TEM-1

5

-