Tang JW,Lai FY,Wong F,et al.Incidence of common respiratory viral infections related to climate factors in hospitalized children in HongKong [J].Epidemiol Infect,2010,138(2):226–235.
Canducci F, Debiaggi M, Sampaolo M, et al.Two-year prospective study of single infections and co-infections by respiratory syncytial virus and viruses identified recently in infants with acute respiratory disease [J].J Med Virol,2008,80(4) :716-723.