Table 6.
Resistance patters of E. coli O9 strains.
| Country | Year of Isolation | Origin | Serotype | Strains | Antimicrobial Resistance | Total Antimicrobials | |||
|---|---|---|---|---|---|---|---|---|---|
| ATM | NA | TE | SXT | ||||||
| Mexico | 1986–1987 | Tlaltizapan Mor., 1 | O9:NM | 2 | R | 1 | |||
| O9:NM | 1 | R | 1 | ||||||
| O9:NM | 2 | R | 2 | ||||||
| O9:H10 | 1 | R | 1 | ||||||
| O9:H11 | 2 | R | 2 | ||||||
| 1996 | ** IMSS | O9:NM | 1 | R | 1 | ||||
| O9:H33 | 2 | R | R | 2 | |||||
| O9:H4 | 1 | R | 1 | ||||||
| O9:H33 | 1 | R | R | 2 | |||||
| 1999 | O9:H- | 1 | R | 1 | |||||
| 2000 | O9:H25 | 2 | R | 1 | |||||
| O9:H25 | 1 | R | 1 | ||||||
| O9:H25 | 2 | R | R | 2 | |||||
| Egypt | 1999 | O9:NM | 1 | R | 1 | ||||
| O9:NM | 1 | R | R | 2 | |||||
| Total N (%) | 21 (62) | 1 (3) | 1 (3) | 11 (32) | 6 (18) | ||||
1 Cravioto A, [20]. ** IMSS: Instituto Mexicano del Seguro Social (Mexican Institute of Social Security). ATM: Aztreonam. NA: Nalidixic Acid. TE: Tetracycline. SXT: Trimethoprim/sulfamethoxazole.