The purpose of this study is to monitor diarrheal disease and observe changes after the introduction of the rota vaccine.

Monitoring of diarrheal disease and observe changes after the introduction of the rota vaccine Comparing the epidemiology in Jewish and Bedouin population before and after the introduction of the rota vaccine into the national immunization program

Inclusion Criteria:

1. Children < 5 years with
2. Gastro enteritis
3. Visiting the ER
4. Residents of southern Israel
5. Signed informed concent -

Exclusion Criteria:

Not all of the above

Survieillance of Rotavirus Gastroenteritis Among Children Bedouin and Jewish < 5 years with gastro enteritis visiting the ER in southern Israel