Legionnaires' disease: Overview of the situation concerning notification in Wallonia (Belgium) in 2012, a retrospective descriptive study based on a capture-recapture method

Background Legionnaires’ disease is a severe form of pneumonia, and although public health medical inspectors must be notified, it is often under-reported. The objectives of this study were to determine the completeness rate of notification of Legionnaires’ disease and to estimate the incidence of this disease in Wallonia, the southern part of Belgium, in 2012.