Detection and Genotyping of among Gastric ulcer and Cancer Patients from Saudi Arabia.

Background And Objectives: () infection is cause of several gastrointestinal diseases in humans. Virulence genes of are associated with severity of disease and vary geographically. The aim of present study was to detect in formalin-fixed paraffin-embedded (FFPE) tissues and further investigate prevalence of A, and genotypes in from gastric cancer (GC) and gastric ulcer (GU) patients' biopsy samples.