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Signs & Symptoms

Final Update

This outbreak investigation is over. Illnesses could continue because people may be unaware of the risk of Campylobacter infections from puppies and dogs. Information about how to prevent illness when handling puppies and dogs is available for pet owners.


What are the signs and symptoms of Campylobacter infection?

  • Most people with a Campylobacter infection develop symptoms 2 to 5 days after being exposed to the bacteria. Symptoms usually last about a week. The following are typical symptoms:
    • Diarrhea (often bloody)
    • Fever
    • Stomach cramps
    • Nausea
    • Vomiting
  • People more likely to get a severe infection include:
    • People with weakened immune systems (such as people with the genetic blood disorder thalassemia, AIDS, or people receiving chemotherapy)
    • Children younger than 5 years
    • Adults 65 years and older
    • Pregnant women

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