inputs: hypothesis: Shandong is not far from Henan province. premise: Henan province has registered seven dead children and 4,761 HFMD cases. Shandong has reported five children dead from HFMD and 3,280 cases to deal with. HFMD can start from a variety of viruses of which Enterovirus 71 (EV-71) is the most common, followed by the Coxsackie A virus (Cox A16). There is an Incubation period from time of contact to appearance of symptoms between three to seven days.