The Robert Koch Institute has issued to a vaccination against swine flu. In this vaccination should be vaccinated is the order in which the various population groups. The vaccination schedule was prepared on the basis of general knowledge about influenza disease. In addition, important insights about the current course with the swine flu have been incorporated into the vaccination schedule. So younger people are used to recommend vaccination than older people. This is unusual for an influenza pandemic. The previous experience of the swine flu, however, shows that younger people are currently infected much more often than older people.