Legionella pneumonia in the Niagara Region, Ontario, Canada: a case series

BackgroundLegionella pneumophila, a major cause of Legionnaires’ disease, accounts for 2–15 % of all community-acquired pneumonia requiring hospitalization and up to 30 % of community-acquired pneumonia requiring intensive care unit admission. Early initiation of appropriate antimicrobial therapy is a crucial step in the prevention of morbidity and mortality. However, recognition of Legionnaires’ disease continues to be challenging because of …