(Al-Quds University - Deanship of Scientific Research, 2023-05-16) Ruba Awawdeh; Besan Abo-saif; Sara Fanoun; Rozan Attili
Background: Helicobacter pylori is the most important cause for chronic or atrophic gastritis, peptic ulcer, gastric lymphoma and gastric carcinoma. It is a gram-negative spiral-shaped bacterium that affects up to 50% of the population worldwide, with a higher prevalence in developing or poor Countries.