title: Building related illness.
mesh_terms: D000389:Air Conditioning / Q000009:adverse effects*; D000390:Air Ionization; D000542:Alveolitis, Extrinsic Allergic / Q000209:etiology; D001228:Aspergillosis / Q000209:etiology; D001249:Asthma / Q000209:etiology; D006801:Humans; D006813:Humidity; D006967:Hypersensitivity / Q000209:etiology*; D007239:Infections / Q000209:etiology*; D007877:Legionnaires' Disease / Q000209:etiology; D014691:Ventilation; D014777:Virus Diseases / Q000209:etiology