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Seattle & King County
401 5th Ave., Suite 1300
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Home » Communicable disease facts » Vibriosis

Communicable Diseases and Epidemiology
Vibriosis fact sheet

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What is vibriosis?

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What are the symptoms?

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How is it spread?

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Diagnosis and treatment

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Prevention


What is vibriosis?

Vibriosis is caused by a contagious bacteria (germ) named Vibrio parahaemolyticus. The germ may be in the coastal waters, or uncooked shellfish or fin fish harvested from coastal waters.

What are the symptoms?

  • Usually start 12-24 hours after exposure
  • Moderate to severe watery diarrhea
  • Abdominal cramps
  • Sometimes nausea and vomiting, fever, chills and headache

How is it spread?

  • Raw shellfish
  • Other foods can be "cross-contaminated". For example, a food washed in contaminated sea water and not cooked before eating could be a source.

Diagnosis and treatment

The bacteria can be cultured from the stool.

  • Treatment usually not needed
  • May need fluid replacement therapy
  • Antibiotics (tetracycline or doxycycline) usually not necessary, but may be indicated in severe cases.

Prevention

  • Thoroughly cook shellfish and finfish before eating.
  • Do not rinse cooked shellfish or finfish with seawater which may be contaminated.
  • Keep raw or cooked shellfish or finfish well refrigerated before serving.

Updated: Friday, August 04, 2006 at 12:04 PM

All information is general in nature and is not intended to be used as a substitute for appropriate professional advice. For more information please call 206-296-4600 (voice) or 206-296-4631 (TTY Relay service). Mailing address: ATTN: Communications Team, Public Health - Seattle & King County, 401 5th Ave., Suite 1300, Seattle, WA 98104 or click here to email us.

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