How is Helicobacter pylori (H pylori) infection transmitted?

Updated: Jul 21, 2021
  • Author: Luigi Santacroce, MD; Chief Editor: BS Anand, MD  more...
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Answer

The most common route of H pylori infection is either oral-to-oral (stomach contents are transmitted from mouth to mouth) or fecal-to-oral (from stool to mouth) contact. [2] Parents and siblings seem to play a primary role in transmission.


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