Abstract:
Despite the presence of studies devoted to the study of the bacterium Helicobacter pylori, its
role in the pathogenesis of diseases such as chronic gastritis, gastric and duodenal ulcers, MALT
lymphoma and gastric adenocarcinoma, the question of what determines the development of one or
another clinical form of gastroduodenal pathology remains open. One of the factors with which the
characteristics of clinical forms of Helicobacter pylori-associated diseases are usually associated is the
genetic characteristics of the microorganism, which determines its virulence.
