Helicobacter pylori, a bacterium that infects the stomach of over 50% of world population and is the cause of duodenal/gastric ulcers and some gastric cancer.

Patient information from the Centers for Disease Control.

Helicobacter Pylori- This unusual name identifies a specific bacteria that can cause infection of the stomach.

Helicobacter pylori. In the early 1980's, Drs. Barry Marshall and Robin Warren of Australia discovered bacteria in the stomach lining of patients with chronic

Provides an explanation and illustrations of how the H. pylori bacteria infects the stomach and duodenum.