title: [An epidemiologic study of respiratory virus and entero virus infection among infants and children in Matsuyama city (author's transl)].
mesh_terms: D002648:Child; D002675:Child, Preschool; D004770:Enterovirus / Q000302:isolation & purification; D004769:Enterovirus Infections / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007564:Japan; D012621:Seasons