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

References and Resources
Templeton R, Shared history of humans and gut bacteria: Evolutionary togetherness: coupled evolution of humans and a pathogen. Heredity. 2007;98, 337–338.
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Perry S, Sanchez M, Yang S, et al., Gastroenteritis and Transmission of Helicobacter pylori Infection in Households. Emerging Infectious Diseases. 2006. Volume 12, Num 11.
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Azevedo N, Guimaraes N, Figueiredo C, A New Model for the Transmission of Helicobacter pylori: Role of Environmental Reservoirs as Gene Pools to Increase Strain Diversity. Critical Reviews in Microbiology, Volume 33, Issue 3 July 2007 , pages 157 - 169.
Click Here to read abstract.