Vibrio mimicus infection associated with crayfish consumption, Spokane, Washington, 2010 |
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Authors: | Kay Meagan K Cartwright Emily J Maceachern Dorothy McCullough Joel Barzilay Ezra Mintz Eric Duchin Jeffrey S Macdonald Kathryn Turnsek Maryann Tarr Cheryl Talkington Deborah Newton Anna Marfin Anthony A |
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Affiliation: | Epidemic Intelligence Service Program, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. meagan.kay@kingcounty.gov |
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Abstract: | We report a cluster of severe diarrheal disease caused by Vibrio mimicus infection among four persons who had consumed leftover crayfish the day after a private crayfish boil. Gastrointestinal illness caused by Vibrio mimicus has not been reported previously in Washington State. Three cases were laboratory confirmed by stool culture; using PCR, isolates were found to have ctx genes that encode cholera toxin (CT). Two of the cases were hospitalized under intensive care with a cholera-like illness. The illnesses were most likely caused by cross-contamination of cooked crayfish with uncooked crayfish; however, V. mimicus was not isolated nor were CT genes detected by PCR in leftover samples of frozen crayfish. Clinicians should be aware that V. mimicus can produce CT and that V. mimicus infection can cause severe illness. |
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