Occurrence of Helicobacter pyloriand Epstein-Barr virus infection in endoscopic and gastric cancer patients from Northern Brazil

Abstract
Helicobacter pylori (HP) and Epstein-Barr virus (EBV) have been associated with cancer development. We evaluated the prevalence of HP, HP CagA + and EBV infection in gastric cancer (GC) samples from adults and in gastric tissues from patients who underwent upper endoscopy (UE).