[Outbreaks of aseptic forms of meningitis induced by ECHO virus (type 9) in child centers].
D002648:Child; D004196:Disease Outbreaks; D029822:Enterovirus B, Human; D007223:Infant; D008581:Meningitis / Q000821:virology*; D014777:Virus Diseases
MENINGITIS/virology; VIRUS DISEASES/in infancy and childhood