Legionnaires' disease that occur globally is not known. Legionnaires' disease is the cause of an estimated 2-9% of pneumonia cases that are acquired outside of hospital. An estimated 8,000 to 18,000 cases a year in the United States require hospitalization. Outbreaks of disease account for a minority of cases. While it can occur any time of the year, it is more common in the summer and fall. The disease is named after the outbreak where it was first identified, at a 1976 American Legion convention in Philadelphia. The length of time between exposure to the bacteria and the appearance of symptoms is
American Legion the winter; second, the body should draft a tentative name for the organization; and finally, the body should compose a provisional constitution to be submitted to the founding convention for its acceptance or rejection. William G. Price Jr. was selected to preside. Convention rules were decided upon and four 15-member committees were chosen. The Committee on Name reported back that they had considered a dozen potential names, including Veterans of the Great War, Liberty League, American Comrades of the Great War, Legion of the Great War, and The American Legion, among others. This list was whittled down to five ranked