Volume 14, Number 11—November 2008
Dispatch
Shiga Toxin–producing Escherichia coli Serogroups in Food and Patients, Germany
, Lothar Beutin, Rohtraud Pichner, Klaus Stark, and Angelika Fruth
Table 2
Serogroups of STEC most frequently isolated from patients (1999–2004) and food (1996–2007), Germany*
| Frequency ranking | Serogroups isolated from patients (%) | Serogroups isolated from food† (%) |
|---|---|---|
| 1 | O157 (18) | O8 (9) |
| 2 | O103 (14) | O91 (6) |
| 3 | O26 (14) | O113 (5) |
| 4 | O91 (10) | O22 (4) |
| 5 |
O145 (4) |
O115 (4) |
| Total percentage‡ | 60 | 28 |
*STEC, Shiga toxin–producing Escherichia coli.
†Food categories from which strains were isolated: O8: raw spreadable sausage (n = 14), pork and products (n = 9), ground beef (n = 7), raw sausage meat (n = 5), raw milk (n = 4), game (n = 2), other (n = 1). O91: raw spreadable sausage (n = 14), ground beef (n = 5), raw milk (n = 3), game (n = 2), raw sausage meat (n = 2), other (n = 2). O113: ground beef (n = 10), cheese (n = 3), game (n = 3), pork and products (n = 2), beef and products thereof (n = 1), raw milk (n = 1), raw spreadable sausage (n = 1). O22: ground beef (n = 8), raw spreadable sausage (n = 6), beef and beef products (n = 1), game (n = 1), ground beef (n = 1), raw milk (n = 1), raw sausage meat (n = 1). O115: raw sausage meat (n = 12), raw spreadable sausage (n = 3).
‡Percentage of all isolates for which serogroup information was available (1,447 isolates from patients and 448 isolates from food).