Project Summary / Abstract The International Society for Vaccines (ISV) is a not-for-profit membership organization founded in 1992 with members and delegates from 47 countries, holding annual congresses since 2007. The ISV Annual Congress is the world’s largest non-commercial scientific conference for researchers interested in vaccines and immunotherapeutics and the underlying sciences. The topics include prophylactic and therapeutic vaccines of infectious and chronic diseases and cancer, and human and animal vaccines, including the intersection of One Health. Presentations cover basic research through manufacturing and clinical trials. ISV intentionally rotates the sites of the meetings between Asia, North America, and Europe, in accessible locations for strong regional and international representation. ISV attracts renowned leaders in vaccine fields while simultaneously providing opportunities for scientists from low- and middle-income countries (LMICs) to attend both virtually and in person, and for students and early career researchers (ECRs) to present and gain personalized feedback and mentoring by senior scientists. ISV is particularly committed to ensuring participation of female, underrepresented, and junior investigators. The 2024 ISV Annual Congress, to be held in Seoul, South Korea, aims to highlight the very latest ground-breaking developments in vaccine research, manufacturing, clinical development and implementation, and safety. Plenary and parallel sessions are devoted to current hot topics spanning diverse areas of vaccinology. Poster sessions will allow more free and diverse scientific exchange of early research findings. Funding from NIAID R13 conference grant mechanism will provide critical support to LMIC delegates and students in vaccinology.