[Occurrence of hand, foot, and mouth disease in Japan].
D002648:Child; D002675:Child, Preschool; D003384:Coxsackievirus Infections / Q000453:epidemiology*; D006232:Hand, Foot and Mouth Disease / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans; D007223:Infant; D007564:Japan