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Distribution of β-lactamase genes by source group among ESBL-producing E. coli isolates from well water and pit latrine wastewater. Note: TEM-1 is not an ESBL.
| β-Lactamases genes | Prevalence of β-lactamases genes, number (column%) | |
|---|---|---|
| Well water (n = 23) | Wastewater (n = 40) | |
| bla CTX-M-3 | 0 | 4 (10.0%) |
| bla CTX-M-14 | 6 (26.1%) | 5 (12.5%) |
| bla CTX-M-15 | 8 (34.8%) | 19 (47.5%) |
| bla CTX-M-55 | 3 (13.0%) | 6 (15.0%) |
| bla CTX-M-64 | 5 (21.7%) | 3 (7.5%) |
| bla TEM-1-type | 15 (65.2%) | 30 (75.0%) |
| bla SHV-1-type | 0 | 0 |
