Watanabe, Aika, Yusuke Kobayashi, Tomoe Shimada, Yuichiro Yahata, Ayako Kobayashi, Mizue Kanai, Yushi Hachisu, et al. 2017. “Exposure to H1 Genotype Measles Virus at an International Airport in Japan on 31 July 2016 Results in a Measles Outbreak”. Western Pacific Surveillance and Response 8 (1). https://doi.org/10.5365/wpsar.2016.7.4.007.