[Epidemic of aseptic meningitis due to ECHO virus type 4. Epidemic breakout in the town of Karumai-cho, Iwate Prefecture in 1964].
D002648:Child; D002675:Child, Preschool; D029822:Enterovirus B, Human; D004769:Enterovirus Infections / Q000453:epidemiology; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007564:Japan; D008297:Male; D008587:Meningitis, Viral / Q000209:etiology*