What is the infectious dose of Campylobacter?

Updated: Aug 05, 2019
  • Author: Mahmud H Javid, MBBS; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

The infectious dose is 1000-10,000 bacteria. Campylobacter infection has occurred after ingestion of 500 organisms by a volunteer; however, a dose of less than 10,000 organisms is not a common cause of illness. Campylobacter species are sensitive to hydrochloric acid in the stomach, and antacid treatment can reduce the amount of inoculum needed to cause disease.


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