Wakabayashi, C., Matsumoto, M., Sato, S., Nakaizumi, Y., Matsubara, Y., Matsubara, D., Aiba, Y., Oki, I., Nakamura, Y., Yanagawa, H. (2026). Longitudinal characterization of COVID-19 across a surveillance transition in Japan: thirteen epidemic waves, 2020–2025. Scientific Reports. https://doi.org/10.1038/s41598-026-51317-0