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An outbreak of Salmonella blockley infections following smoked eel consumption in Germany

Published online by Cambridge University Press:  03 November 2000

G. FELL
Affiliation:
Robert Koch Institute FG 23, Stresemannstrasse 90–102, 10963 Berlin, Germany
O. HAMOUDA
Affiliation:
Robert Koch Institute FG 23, Stresemannstrasse 90–102, 10963 Berlin, Germany
R. LINDNER
Affiliation:
County Health Authority, Demmin, Mecklenburg-Vorpommern, Germany
S. REHMET
Affiliation:
Robert Koch Institute FG 23, Stresemannstrasse 90–102, 10963 Berlin, Germany
A. LIESEGANG
Affiliation:
Robert Koch Institute FG 23, Stresemannstrasse 90–102, 10963 Berlin, Germany
R. PRAGER
Affiliation:
Robert Koch Institute FG 23, Stresemannstrasse 90–102, 10963 Berlin, Germany
B. GERICKE
Affiliation:
Robert Koch Institute FG 23, Stresemannstrasse 90–102, 10963 Berlin, Germany
L. PETERSEN
Affiliation:
Centers for Disease Control and Prevention, Atlanta, USA
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Abstract

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In June 1998, an increased number of persons with Salmonella blockley infection were reported from one German state. Because S. blockley is extremely uncommon in Germany, a case-control study was performed in order to find the source. A total of 13 patients met the case definition. Nine of 12 cases and 2 of 21 controls with food consumption histories reported eating smoked eel (OR 28·5; 95% CI 3·9–235·3). The consumed eel came from four different local smokeries, but could be traced back to fish farms in Italy. This outbreak indicates that eel may be a vehicle for salmonella infection and that the smoking process may not eliminate bacterial contamination from raw fish.

Type
Research Article
Copyright
© 2000 Cambridge University Press