The VAH List of Disinfectants - Der Verbund für Angewandte Hygiene e.V - (German Association for Applied Hygiene) is an approved reference for effective product for prophylactic disinfection. That quality assurance is relevant not only for the medical sector but also for public institutions and, in case of illness, even for private household. It is proven that the bigger part of infections have their source in private households. For the first time the VAH-list contains information on the effectiveness viruses.