[Infectious diarrhoea in children under five years].

Aim: to determine the prevalence of rotavirus in acute diarrhea among children under 5 years and to describe the epidemiology, clinical trials of rotavirus diarrhea and compare them with those of other gastroenteritis.

Methods: A Prospective study during 1 year (1 January 2007-31 December 2007) was conducted in the department of Pediatrics B of the Children's Hospital of Tunis. 117 children aged under than 5 years and admitted for acute community gastroenteritis were included in the study.