The World Conference on Infectious Diseases (WCID-2026) will be held in Tokyo, Japan, from November 19-21, 2026. This premier international event will bring together leading experts, researchers, clinicians, and public health professionals from around the globe. WCID-2026 aims to advance research, innovation, and collaboration in the field of infectious diseases. The conference will cover emerging and re-emerging infections, antimicrobial resistance, and vaccine development. Key topics include virology, bacteriology, parasitology, epidemiology, and global health security. Special focus will be given to pandemic preparedness and infection prevention strategies. The program will feature keynote lectures, plenary sessions, technical presentations, and panel discussions. Interactive workshops and poster sessions will encourage knowledge exchange and networking. The event promotes interdisciplinary collaboration and translational research advancements. WCID-2026 offers a valuable platform to shape the future of infectious disease research and global health.