Isolation of E.C.H.O. virus type 9 during an outbreak of meningo-encephalitis.
D004196:Disease Outbreaks; D004660:Encephalitis; D006801:Humans; D008590:Meningoencephalitis / Q000209:etiology*; D014780:Viruses
MENINGOENCEPHALITIS/etiology and pathogenesis; VIRUSES