Liu S, Wu D, Ye S, Xiao Y, Wu M, Chen S, Zhang X, Guo L, Zhang Q, Zhou Y, Wu X, Yang Q, Xiao R, Zhang J, Feng X, Wang J, Shi X, Zhang X, Xu J, Shao J, Tang S, Liu Q Full Text Human papillomavirus Immunisation policy and practice 2026 Lancet Regional Health Western Pacific 2026 ;72:101919. doi: 10.1016/j.lanwpc.2026.101919