Level 1 courses, the typical refresher courses, deal with the so-called continuing education of medical graduates, and are designed to update the local practitioner on the recent advances having a bearing on his medical thinking and daily operation.

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Level 2 courses, are dedicated to young researchers, working in immunology or related fields, wishing to acquire knowledge of a specific topic within the vast area of Immunology or to look in depth at their own knowledge. These are one-week full-immersion activities, often integrated by workshops and small group discussions. These activities are aimed at Ph. D. students, and have attracted participants from all over the world.

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Level 3 courses, are practical, laboratory courses, dealing with recent techniques to be applied in research or even in the clinical laboratory, devised for small groups of graduates and spanned over a one-to-two week period.