A Clinical, Epidemiologic and Laboratory Investigation of Aseptic Meningitis during the Four-Year Period, 1955–1958

IN a previous report1 the results of virologic investigations of specimens obtained from 407 patients with the syndrome of aseptic meningitis were presented. Enteroviruses or mumps virus were implicated as the probable etiologic agents of the illnesses in 50 per cent of the patients by the technics employed. In recent years it has become more clearly recognized that a specific agent may cause illnesses ranging in severity and clinical manifestations from benign aseptic meningitis to a severe disease of the central nervous system that may result in varying degrees of disability and even death.2 3 4 5 6 The clinical features of the Central-nervous-system . . .