4Tsai TF. New initiatives for the control of Japanese encephalitis by vaccination : minutes of a WHO/CVI meeting, Bangkok, Thailand, 13 - 15 October 1998 [ J ]. Vaccine,2000,15 (2) : 1 - 25.
5Abe M, Okada K, Hayashida K, et al. Duration of neutralizing antibody titer after Japanese encephalitis vaccination[ J]. Microbiol Immunol,2007,51 (6) :609 -616.