Volume 18, Number 3—March 2012
Letter
Escherichia coli Producing CMY-2 β-Lactamase in Retail Chicken, Pittsburgh, Pennsylvania, USA
Yoon Soo Park, Jennifer M. Adams-Haduch, Jesabel I. Rivera, Scott R. Curry, Lee H. Harrison, and Yohei Doi
Table
Characteristics of 9 cephalosporin-resistant Escherichia coli isolates in retail meat, Pittsburgh, Pennsylvania, USA*
| Sample no. | Origin | Phylogenetic group | Susceptibility |
|||||
|---|---|---|---|---|---|---|---|---|
| CTX | FOX | FEP | CIP | GEN | TET | |||
| FD13 | Chicken (ground) | D | R | I | S | S | S | S |
| FD14 | Pork (sausage) | A | R | R | S | S | S | R |
| FD42 | Chicken (sausage) | B2 | R | R | S | S | S | S |
| FD44 | Chicken (thigh) | A | R | R | S | S | S | S |
| FD45 | Turkey (sausage) | A | R | R | S | S | R | R |
| FD56 | Chicken (sausage) | D | R | R | S | S | S | S |
| FD63 | Chicken (sausage) | A | R | R | S | S | S | S |
| FD72 | Chicken (sausage) | A | R | R | S | S | S | R |
| FD95 | Chicken (liver) | A | R | I | S | S | S | S |
*All isolates were CMY-2 type. CTX, cefotaxime; FOX, cefoxitin; FEP, cefepime; CIP, ciprofloxacin; GEN, gentamicin; TET, tetracycline; R, resistant; I, intermediate; S, susceptible.
