Background Legionnaires disease occurs worldwide. Many authorities have guidelines and
regulations to prevent and control Legionella in water systems. These regulations are based
on often very limited field and laboratory observations and measurements. They are,
therefore, very different from country to country. This article aims to map the existing
regulatory framework of worldwide Legionella control to assess the feasibility of regulatory
unification. Methods This article gives an overview of the different standards, guidelines, and …