Helicobacter pylori is a gram-negativebacterium that lives inside the mucus lining of the stomach. It belongs among the proteobacteria. Many gastric ulcers are caused by H. pylori infection, although most humans are infected and not all infections lead to symptoms. Two strains of H. pylori have been sequenced.
... of the census of 2000, there are 5,400 people, 1,693 households, and 1,286 families residing in the town. The population density is 387.5/km² (1,003.8/mi²). ...