Effective Legionellae control at The Academic Hospital Saint-Luc, Brussels

The Saint-Luc hospital in Belgium has a long history regarding the prevention of legionella growth in the warm water supply system. Since 1980 the hospital has installed and tested different control measures with varying degrees of success. The new method of chemical disinfection with chlorine dioxide is so successful; however, that legionella is no longer detectable at all in the hot water. The automatic dosing unit for chlorine dioxide is easily to install and to maintain. The concentration of chlorine dioxide complies with the legal requirements of Flemish law.