| echovirus type 9 epidemic in kagoshima, southern japan: seroepidemiology and clinical observation of aseptic meningitis. | an outbreak of aseptic meningitis caused by echovirus type 9 occurred between march and october, 1990, in kagoshima, southern japan. clinical manifestations and laboratory data of 259 children with aseptic meningitis who were admitted to the outpatient clinic of pediatrics in the kagoshima city hospital were analyzed (other diseases caused by echovirus type 9 were not investigated). the patients' age ranged from 1 month to 15 years and the highest incidence was in 4-year-old children. the male:f ... | 1995 | 8559629 |