SummaryCampylobacter jejuniandSalmonellaspp are the most frequently cultured micro-organisms in infectious gastroenteritis among patients hospitalized at the departments of gastroenterology and geriatrics. As a whole, the hospitalized patient population withCampylobactergastroenteritis is a younger one, compared to theSalmonella-inTcclcdgroup. Both pathogens can be associated with a biochemical pancreatitis, which is usually without clinical importance. However, serious complications can occur, with a predominance of visceritis for C.jejuni,and renal function impairment forSalmonellaspp. Finally, an asymptomatic carrier state is well known in theSalmonellainfection spectrum, whereasC. jejunimight cause a recurrent disease in some patients.