Purpose The childhood hand, foot and mouth disease (HFMD) sequelae cohort study (HNHFMDCS) is an ambispective cohort study of patients with HFMD based in Henan Province, China, consisting of patients ...

Hand, foot, and mouth disease (HFMD) is a contagious disease of childhood caused by a variety of enteroviruses, the most common of which are Enterovirus A 71 (EV-A71) and Coxsackievirus A 16 (CV-A16).