Takahashi, Takuri, Yuzo Arima, Hitomi Kinoshita, Kazuhiko Kanou, Takehito Saitoh, Tomimasa Sunagawa, Hiroaki Ito, et al. “Ongoing Increase in Measles Cases Following Importations, Japan, March 2014: Times of Challenge and Opportunity”. Western Pacific Surveillance and Response 5, no. 2 (May 16, 2014). Accessed May 30, 2026. https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/255.