P Hasanzadeh - Instrutor
F Aleyasin - Instrutor

in the present study ۲۲۰ diarrheal samples of children aged between ۳-۱۲ months and ۱۰۰ samples from healthy individuals of the same age group reffered to Shiraz university hospitals were investigated for bacterial and viral agents.Electron microscopy methods were used for the viral investigations,while conventional techniques of bacteriology were used for isolation of bacterial agents.the prevalence of rotavirus examined by electron microscopy was ۲۵ cases(۱۱.۴%),other pathogenic organisms were E.Coli ۶۶ cases(۳۰%),Kelbsiella ۲۱ cases(۹.۵%).proteus ۵ cases(۲.۲%),shigella ۴ cases(۱.۸%).salmonella ۳۱ cases (۱۴%),mixed bacterial agents ۳۴ cases(۱۵.۴۵%) and non bacterial viral agents ۳۲ cases(۱۴.۶%).the highest rate of rotavirus infection was seen in children aged between ۷-۹ months in Aban(October) and Ordibehesht(May),but the highest rate of bacterial infection was seen in children aged between ۴-۷ months.

Viral Agents, Diarrloea, children, Shiraz