1976 Philadelphia Legionnaires' disease outbreak States Center for Disease Control and Prevention (CDC) in 2017 only use the term Legionnaires' disease to refer to the serious version with pneumonia. CDC investigators quickly discovered outbreaks of respiratory disease caused by "L. pneumophila" dating back to 1959. An outbreak of what was dubbed Pontiac fever occurred in a health department in Pontiac, Michigan in July 1967. No one died. Although caused by the same bacterium, Pontiac fever is a milder ailment than Legionnaires' disease. Pneumonia is absent in those with Pontiac fever. An outbreak of pneumonia in July–August, 1965, at St. Elizabeths Hospital in Washington, DC, which
American Legion by National Commander Franklin D'Olier helped achieve passage of this legislation by the end of 1919. The American Legion's chief base of support during its first years was among the officers corps of the reserves and the National Guard. The size of the regular army was comparatively small and its representation in the League in its earliest days was even more limited. Consequently, for nearly two decades The American Legion maintained a largely isolationist perspective, best expressed in three resolutions passed by the Minneapolis founding convention: 1. That a large standing army is uneconomic and un-American. National safety with freedom