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, [S. l.], v. 13, n. 1, p. 5, 2022. DOI: 10.5365/wpsar.2022.13.1.906. Disponível em: https://ojs-dev.wpro.who.int/ojs/index.php/wpsar/article/view/906. Acesso em: 5 apr. 2026.