The 3rd International Conference on Infectious Diseases is set to bring together leading professionals, researchers, and industry experts for another unparalleled two-day event on June 11-12, 2026 in Lisbon, Portugal organized under the theme From Discovery to Action: Uniting Researchers for a Healthier Tomorrow. This conference will once again serve as a global platform for advancing knowledge, fostering collaboration, and shaping the future of infectious disease research. Attendees will benefit from a rich program featuring keynote speeches, oral presentations, poster sessions, interactive workshops, exhibitions, and diverse B2B/B2C networking opportunities. Join us in Lisbon to connect with distinguished scholars, thought leaders, innovators, and young researchers as we explore strategies to confront emerging and re-emerging infectious threats, strengthen preparedness, and advance global health resilience.