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06/25/24 Public Health Education Topic: Vibriosis



  • Vibrio are bacteria that naturally live in coastal waters.

  • About a dozen kinds of Vibrio can cause people to get an infection called vibriosis.

  • People can get vibriosis after swallowing Vibrio or getting it in a wound.

  • Vibrio infection can be serious. Know when to seek medical care.

What are Vibrio?

Vibrio are bacteria that naturally live in certain coastal waters. They are found in higher numbers in May through October, when water temperatures are warmer.

Coastal waters include salt water and brackish water. Brackish water is a mixture of salt water and fresh water. It is often found where rivers meet the ocean.

What is vibriosis?

About a dozen species (kinds) of Vibrio can cause a human illness called vibriosis. The most common species causing human illness in the United States are

  • Vibrio parahaemolyticus

  • Vibrio vulnificus

  • Vibrio alginolyticus


Common signs and symptoms of Vibrio infection

  • Watery diarrhea

  • Stomach cramps

  • Nausea

  • Vomiting

  • Fever

  • Chills

Signs and symptoms of Vibrio bloodstream infection

  • Fever

  • Chills

  • Dangerously low blood pressure

  • Blistering skin lesions

Signs and symptoms of Vibrio wound infection

  • Fever

  • Redness

  • Pain

  • Swelling

  • Warmth

  • Discoloration (turning a color other than normal)

  • Discharge (leaking fluids

When to seek emergency care‎:

Immediately see your doctor or go to the emergency room if you have symptoms of a Vibrio bloodstream or wound infection. Do not wait.



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