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.
... 158 households out of which 38.0% have children under the age of 18 living with them, 48.7% are married couples living together, 20.9% have a female householder with no ...