title: Respiratory allergy to a factory humidifier contaminant presenting as pyrexia of undertermined origin.
mesh_terms: D000328:Adult; D004781:Environmental Exposure; D005335:Fever of Unknown Origin / Q000209:etiology*; D006801:Humans; D006813:Humidity; D009784:Occupational Diseases / Q000209:etiology*; D012130:Respiratory Hypersensitivity / Q000150:complications* / Q000209:etiology