What is the global prevalence of Helicobacter pylori (H pylori) infection?

Updated: Jul 21, 2021
  • Author: Luigi Santacroce, MD; Chief Editor: BS Anand, MD  more...
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H pylori is a ubiquitous organism. At least 50% of all people are infected, [9] but an exact determination is not available, mostly because precise data are not available from developing countries. H pylori may be detected in approximately 90% of individuals with peptic ulcer disease; however, less than 15% of infected persons may have this disease.

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