The World Vaccine Congress Europe is the largest and most established European meeting dedicated to vaccines. It covers the entire vaccine value chain, from basic research to commercial manufacture. The Congress brings together scientists, government officials, and manufacturers to share knowledge and collaborate on developing new and improved vaccines. The 2023 World Vaccine Congress Europe will be held in Barcelona, Spain from October 16-19. The theme of the Congress is “Vaccines for a Healthy Future.” The Congress will feature keynote speakers, panel discussions, workshops, and poster presentations on a variety of topics related to vaccines.