TABLE 3.
Results of antibiograms, PFGE, and PCR for 18 S. sonnei isolates from the two elementary schools
| Isolate | Response to druga:
|
PFGE type | Presence of resistance gene:
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| Ampicillin | Chloramphenicol | Ciprofloxacin | Ceftriaxone | Trimethoprim- sulfamethoxazole | CMY-2 | SHV-5 | CTX-M | ||
| A-1 | S | S | S | S | R | 4 | |||
| A-2 | S | S | S | S | R | 4 | |||
| A-3 | S | S | S | S | R | 4b | |||
| A-4 | S | S | S | S | R | 4 | |||
| A-5 | S | S | S | S | R | 4 | |||
| A-6 | S | S | S | S | R | 4 | |||
| A-7 | S | S | S | S | R | 4 | |||
| A-8 | R | S | S | S | R | 4 | |||
| A-9 | R | S | S | S | R | 4 | − | + | − |
| B-1 | R | S | S | I | R | 4a | + | + | − |
| B-2 | R | S | S | I | R | 4a | + | + | − |
| B-3 | R | S | S | I | R | 4a | + | + | − |
| B-4 | R | S | S | R | R | 4c | + | + | − |
| B-5 | R | S | S | I | R | 4a | + | + | − |
| B-6 | R | S | S | I | R | 4a | + | + | − |
| B-7 | R | S | S | S | R | 4 | − | + | − |
| B-8 | R | S | S | R | R | 4a | + | + | − |
| B-9 | R | S | S | I | R | 4a | + | + | − |
a
S, susceptible; R, resistant; I, intermediate.