The World Vaccine Congress is the leading global event for vaccine conferences and exhibitions; established since 2000. Following a record attendance of over 4;000 in 2024; it returns in April 2025; uniting top experts in the vaccine field. The congress covers advancements in infectious diseases; cancer immunotherapy; One Health; veterinary vaccines; clinical development; manufacturing; safety; supply; market access; and emerging infections. From basic research to commercial production; it spans the entire vaccine value chain; fostering groundbreaking progress. For those involved in vaccines; or new to the field; this is the essential event to attend in 2025.