a campylobacter bacteria

agent background bacteria bacteriology campylobacter campylobacteriosis care causative chicken children coli color country curved developed diarrhea diarrheal disease dysentery enteric fetus flagellum food foodborne gastrointestinal gramnegative health ileum illness illustration infection infectious intestinal intestine isolated jejuni jejunum meat medical medicine microbe microbiology microorganism motile periodontitis poultry raw spiral white