William Chey, MD, Professor, Department of Internal Medicine, University of Michigan Health System, discusses the prevalence of H. pylori.

References and Resources
Konno M, Fujii N, Yokota S, et al: Five-year follow-up study of mother-to-child transmission of Helicobacter pylori infection detected by a random amplified polymorphic DNA fingerprinting method. J Clin Microbiol 2005 May; 43(5:2246-50.
Click Here to read abstract.

Templeton R., Shared history of humans and gut bacteria: Evolutionary togetherness: coupled evolution of humans and a pathogen. Heredity (2007) 98, 337–338. doi:10.1038.
Click Here to view the article.

H. pylori and Cancer: Fact Sheet
Click Here to view the fact sheet.

Helicobacter pylori and Peptic Ulcer Disease
Click Here to read information from the CDC.