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An outbreak of Salmonella mikawasima associated with doner kebabs

  • M. Synnott (a1), D. L. Morse (a1), H. Maguire (a2), F. Majid (a3), M. Plummer (a4), M. Leicester (a5), E. J. Threlfall (a6) and J. Cowden (a1)...

Summary

During October 1992 an increase in the number of isolates of Salmonella mikawasima, a rare serotype, was noted including a cluster of nine cases in the South West Thames region. A case control study was conducted and univariate analysis showed a statistical association between illness and eating at takeaway A for cases compared with household controls (P = O003) and with neighbourhood controls (P = 0.0245). Cases were also more likely to have eaten kebabs than were controls or average takeaway A customers, implicating doner kebabs as the most likely vehicle of infection. Plasmid profile analysis of the nine cases' isolates showed them to be indistinguishable and to be characterized by a single plasmid of approximately 60 MDa.

The original source of the Salmonella mikawasima contamination was not determined, but food preparation practices for kebabs at takeaway A were insufficient to protect against illness if contaminated. This outbreak was only recognized because of the unusual serotype, but could be an indication of a more widespread problem with doner kebabs.

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Copyright

Corresponding author

*Dr J. Cowden, PHLS Communicable Disease Surveillance Centre. 61 Colindale Avenue. London NW9 5EQ.

References

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