Abstract
Helicobacter pylori infection is primarily acquired during childhood, causes chronic, active gastritis and peptic ulcer disease, and is associated with the development of gastric malignancies. However, only a small number of infected individuals ever develop the more severe sequelae of peptic ulcer disease and gastric cancers. Therefore, the identification of bacterial and host factors that play a role in determining the outcomes and pathophysiology of infection is a major focus of current research. Recent advances in the understanding of disease pathogenesis are critically considered, with particular reference to the pediatric population.
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