Fig. 4From: Infections and cancer: the “fifty shades of immunity” hypothesisLong term interaction between Mycobacterium tuberculosis and Helicobacter pylori. H. pylori confers protection against M. tuberculosis through an increase in IFN production. In countries with a high prevalence of tuberculosis, infection with H. pylori might confer a selective benefit allowing the maintenance of H. pylori susceptibility genesBack to article page