Helicobacter pylori is a widespread bacterial pathogen that infects the lining of the stomach, where it can cause ulcers and even cancer. As a new study shows, its genetic variability complicates efforts to develop an effective vaccine.
Helicobacter pylori is a widespread bacterial pathogen that infects the lining of the stomach, where it can cause ulcers and even cancer. As a new study shows, its genetic variability complicates efforts to develop an effective vaccine.