Kanbayashi, D., Kurata, T., Kubo, H., Kaida, A., Yamamoto, S.P., Egawa, K., Hirai, Y., Okada, K., Ikemori, R., Yumisashi, T., Yamamoto, A., Yoshida, H., Hirayama, T., Ikuta, K. and Motomura, K. 2020. Ongoing rubella epidemic in Osaka, Japan, in 2018–2019. Western Pacific Surveillance and Response. 11, 2 (Jun. 2020). DOI:https://doi.org/10.5365/wpsar.2019.10.3.001.