In the summer 1997, there was an outbreak of aseptic meningitis in Pusan area. We report the clinical features and viral studies of aseptic meningitis in Pusan area in 1997.

265 children with aseptic meningitis who had been admitted to Department of Pediatrics, St. Benedict Hospital between April to October 1997 were included.

1) Male-to-female ratio was 1.7:1. 2) Mean age was 6.2±3.29 years. 3) It occured mostly April to October. 4) Clinical manifestations were fever 99.6%, vomiting 99.2%, headache 99.2%, rash 6.0%. 5) The duration of fever was 3.34±2.21 days. 6) The duration of admission was 5.3±3.21 days. 7) WBC count in peripheral blood were 11,200±4,163/mm³. 8) WBC count in CSF were 156.1±394.7/mm³. 9) Causative agents were coxsackievirus B5, echovius 6, 30, type nonspecific enterovirus.

Aseptic meningitis in 1997 compared with that in 1996 had clinical feature of increase in age, decrease in duration of fever and incidende of rash. It occurred mostly April to October in 1997 and May to October in 1996. Causative agents were coxackievirus B5, echovirus 6, 30, type nonespecific enterovirus in 1997, and echovirus 9, coxsackievirus A24, type nonespecific enterovirus in 1996.