Hundreds of hotels and holiday apartments in Europe are known to be high-risk buildings for Legionella infection, but this information is kept secret by European health authorities, according to the Dutch newspaper NRC Handelsblad in a story published on Sept 21st. During the past 5 years the newspaper reports that 12 000 European tourists have been infected with Legionella pneumophila at holiday resorts across Europe and an estimated 1200 have died.