Maryam Ganjeali
Arezou Ghahghaei - Dept. of Biology, Faculty of Science, University of Sistan and Baluchestan
Mohadeseh Shahraki

Campylobacter pylori religion was originally called Helicobacter pylori, a Gram-negative bacilli Microaerophilic that are prevalent in the mucous lining of the stomach lining or the depth of the gel between the layers of the stomach mucosa and epithelium to be found. The bacteria may be connected to the stomach epithelium but under normal circumstances, it does not seem invasive to cells. Prevalence of H pylori, is not the same around the world and largely depend on the universal standards of life in an area. The purpose of this paper is to in-vestigate the epidemiology of the bacterium Helicobacter pylori in peptic ulcer. As a result Gabri and discussion of risk factors for H. pylori infection include: (1) birth or residence in a developing country 2. Overpopulation 3. unsanitary living conditions 4. 5. Contact stomach contents infected person, contaminated food or water 6 .

Helicobacter pylori prevalence, the infection