The lymphatic infection by A. Suis cranial direction advancing from the start lumboaortica chain. A few weeks after birth can see the infection in the lymph nodes of the lesser curvature of the stomach. If you have a chance to necropsy the stomach lining, in this lesser curvature ulcerated zones are detected. The center of each zone coincides with an infected lymph node and if one analyzes the surface of these ulcers, Helicobacter pylori is isolated frequently. This bacterium is a secondary pathogenic immune helplessness caused by the presence of A. Suis in lymph stomach.