Ongoing increase in measles cases following importations, Japan, March 2014: times of challenge and opportunity - Takuri Takahashi; Yuzo Arima; Hitomi Kinoshita; Kazuhiko Kanou; Takehito Saitoh; Tomimasa Sunagawa; Hiroaki Ito; Atsuhiro Kanayama; Ayako Tabuchi; Kazutoshi Nakashima; Yuichiro Yahata; Takuya Yamagishi; et al. (World Health Organization Regional Office for the Western Pacific, 2014)