Moriyama, Yuki, Saho Takaya, Takeshi Nishijima, Howard L Sobel, and Norio Ohmagari. “Maintaining Health-System Functionality in Response to the Surge of COVID-19 Cases Due to the Omicron Variant, Japan”. Western Pacific Surveillance and Response 14, no. 5 (February 6, 2024): 6. Accessed November 21, 2024. https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/1048.