Randall has long attributed his ulcer to his high stress job as a bond trader and is astounded when his doctor tells him his ulcer is likely to be associated with an infection instead. What infectious agent has been associated with gastric and duodenal ulcers as well as gastric cancer?

Randall has long attributed his ulcer to his high stress job as a bond trader and is astounded when his doctor tells him his ulcer is likely to be associated with an infection instead. What infectious agent has been associated with gastric and duodenal ulcers as well as gastric cancer?


H. pylori
S. aureus
C. difficile