Marc Brisson was invited as faculty to the 25th Advanced Course of Vaccinology (ADVAC) that took place at Les Pensières, Veyrier-du-Lac, France, from 5 to 16 May 2025. ADVAC is an annual two-week training programme for decision-makers, including academia, industry, governmental and non-governmental agencies. He presented a course on “The role of health economics (including modelling) as a tool in analyzing vaccine policy options”. [ Faculty 2025 ] [ Program ]