4Glass RI, Parashar UD, Bresee JS, et al.Rotavirus vaccine:current prospects and future challenges[J].Lancet, 2006, 368(9532):323-332.
5Ramani S,Kang G. Viruses causing childhood diarrhoea in the de- veloping world[J]. Curr Opin Infect Dis, 2009,22 (5) : 477-482.
6Rimoldi SG, Stefani F, Pagani C, et al. Epidemiological and clinical characteristics of pediatric gastroenteritis associated with new vi- ral agents[J]. Arch Virol,2011,156(9) : 1583-1589.