Chair: Nadja Bakocevic.

• Introduction to the 2024 Day of Immunology by Rita Carsetti and Federica Sallusto.
• Introduction to the sessions by Nadja Bakocevic.
• Antibody-mediated immunity in the later years of life by Michelle Linterman.
• Decoding the contribution of the Immune System to aging by Maria Mittelbrunn.
• Value of maternal immunization and its influence on neonatal immune responses by Christiane Eberhardt.
• Shaping of immune systems in human newborns by environmental exposures by Petter Brodin.
• Panel Discussion and Closing remarks.