title: Echovirus type 9 meningitis epidemic in Kyushu during the summer of 1967.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004457:Echovirus Infections / Q000453:epidemiology*; D005260:Female; D000882:Haplorhini; D006801:Humans; D007106:Immune Sera / Q000032:analysis; D007223:Infant; D007564:Japan; D008297:Male; D008587:Meningitis, Viral / Q000453:epidemiology*
chemical_list: D007106:Immune Sera