title: Legionnaires' disease caused by Legionella pneumophila serogroup 3.
mesh_terms: D000942:Antigens, Bacterial; D001419:Bacteria / Q000276:immunology / Q000302:isolation & purification*; D001424:Bacterial Infections / Q000382:microbiology*; D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D007877:Legionnaires' Disease / Q000382:microbiology*; D008875:Middle Aged; D009864:Ontario; D012703:Serotyping / Q000379:methods
chemical_list: D000942:Antigens, Bacterial