DO_infectious_disease_slim gram-negative_bacterial_infectious_disease NCIthesaurus transmitted by has symptom has major susceptibility factor disease has feature Legionnaires' disease ICD9CM:482.84 ICD10CM:A48.1 UMLS_CUI:C0023241 NCI:C128339 SNOMEDCT_US_2025_09_01:195889001 A legionellosis that is characterized by severe form of infection producing pneumonia. Symptoms include fever, chills, and cough. disease_ontology MESH:D007877 DOID:10457 Infection by Legionella pneumophilia Legionella Legionella pneumonia Legionnaire's disease legionellosis pneumonia susceptibility to legionnaire disease fever cough chills droplet spread transmission