A+A is the world's largest and most important event when it comes to safety, security and health at work. Together with the International Congress for Occupational Safety and Health, organized by the Bundesarbeitsgemeinschaft für Sicherheit und Gesundheit bei der Arbeit (Basi) e.V. (Federal Association for Safety and Health at Work) and held in parallel, the trade fair covers all aspects of a holistic prevention culture, from occupational health.