RESERCH PRESENT STATUS OF ENTEROBIUS VERMICULARIS INFESTATION AND EFFECTIVENESS OF INTERVENTION BY PYRANTEL PAMOATE FOR CHILDREN age range of 3 - 6 years AT PHU GIAO DISTRICT, BINH DUONG PROVINCE Objectives: To define prevalence rate of Enterobius vermicularis infection in children age range of 3 - 6 years in 3 communes in Phu Giao district, Binh Duong province.