4Chen KT,Chang HL,Wang ST,et al.Epidemiologic features of hand-foot-mouth disease and herpangina caused by enterovirus 71 in Taiwan,1998-2005[J].Pediatrics,2007,120(2):e244.
5Yang TC, Xu GZ, I)ing HI, et al. A case - control study of risk fac tots for severe hand foot month disease among children in Ningbo China, 2010 - 2011[J ]. Eur J Pediatr, 2012, 171 (9) : 1359 - 1364.
6Solomon T, Lewthwaite P, Perera D, et al. Virology, epidemiology pathogenesis, and control of enterovirus 71 [J ]. Lancet Infect Dis 2010,10(11):778 790.