helicobacter pylori microaerophilic bacterium which infects various areas of the stomach and duodenum

bacteria bacterial bacterium biology campylobacter cancer care cell chronic digestive disease duodenal duodenum flagellum gastric gastritis gastrointestinal green health healthcare healthy helicobacter human icon illness illustration infection isolated logo medical micro microaerophilic microbe microbiology microorganism mucosa parasite peptic pylori shape sign stomach symbol tracts treatment ulcers vector virus white