Isolation of viruses related to Echo virus type 9 from outbreaks of aseptic meningitis.
D004196:Disease Outbreaks; D004459:Echovirus 9; D006801:Humans; D008581:Meningitis / Q000209:etiology*; D008582:Meningitis, Aseptic; D014777:Virus Diseases / Q000453:epidemiology*; D014780:Viruses
MENINGITIS/etiology and pathogenesis; VIRUS DISEASES/epidemiology