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Volume 14, Number 11—November 2008

Dispatch

Shiga Toxin–producing Escherichia coli Serogroups in Food and Patients, Germany

Dirk WerberComments to Author , Lothar Beutin, Rohtraud Pichner, Klaus Stark, and Angelika Fruth
Author affiliations: Robert Koch Institute, Berlin, Germany (D. Werber, K. Stark, A. Fruth); Federal Institute for Risk Assessment, Berlin (L. Beutin); Max-Rubner Institute, Kulmbach, Germany (R. Pichner);

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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).

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