IFITM3, TLR3, and CD55 gene SNPs and cumulative genetic risks for severe outcomes in Chinese patients with H7N9/H1N1pdm09 influenza by Lee, N, Cao, B, Ke, C, Lu, H, Hu, Y, Tam, H, Ma, C, Guan, D, Zhu, Z, Li, H, Mulei, L, Wong, R, Yung, I, Hung, T, Kwok, K, Horby, P, Hui, S, Chan, C, Chan, K