Legionnaires disease is the single leading killer among all indoor building contaminants in the United States. The estimates for the annual number of Legionnaires disease cases in the United States range from 11,000 to more than 25,000. The incubation period is from 2 to 10 days and the illness is primarily pneumonia with a high fatality rate. PathCon scientists are the leading experts in Legionnaires disease and have investigated outbreaks within the United States and many other parts of the world. PathCon can help identify possible transmission sources by helping collect samples from potential sources including cooling towers, condensers, water heaters, decorative fountains, hot tubs and spas. Contact PathCon for help to keep your employees safe from Legionnaires disease.