Sakamoto, N., Ota, M. , Takeda, T., Kosaka, A., Washino, T., Iwabuchi, S., Beppu, M., Nishiduka, I., Matsui, T., Suzuki, M. and Nakamura-Uchiyama, F. 2022. Nosocomial outbreak of coronavirus disease in two general wards during the initial wave of the pandemic in 2020, Tokyo, Japan. Western Pacific Surveillance and Response. 13, 1 (Mar. 2022), 5. DOI:https://doi.org/10.5365/wpsar.2022.13.1.906.