Prevalence of H. pylori strains harbouring cagA and iceA virulence genes in saudi patients with gastritis and peptic ulcer disease

Introduction Helicobacter pylori colonizing the human stomach acquired by contaminated water or food or poorly disinfected endoscopes. Lifetime persistence of this organism within the host could result in a number of gastroduodenal diseases ranging from mild gastritis, atrophic gastritis, and peptic ulcer disease to malignant diseases such as gastric adenocarcinoma and