Vaccines are used or developed for a wide range of diseases such as cancer, auto-immune diseases, allergies, and for the prevention of communicable and parasitic diseases. The purpose of this course is to provide an overview of a broad spectrum of vaccine related topics, from the design of vaccines to their delivery with adjuvants and by different delivery systems. The target audience is researchers with various scientific backgrounds and with interest in vaccine research, but also those dealing with regulatory aspects of vaccines who wish to acquire a scientific understanding of vaccines.