It is estimated that in the United States, there are between 10,000 and 50,000 cases of Legionnaires' disease every year. Legionnaires' disease, also referred to as Legionellosis, is a bacterial disease commonly associated with water-based aerosols and is a specific type of pneumonia. In Legionnaires' Disease, students will learn about the symptoms of this disease, as well as its effects, treatment, and history while examining specific case studies.