pneumonia AE hypersensitivity pneumonitis AE Hypersensitivity pneumonitis AE is a pneumonia AE that is an inflammation of the alveoli within the lung caused by hypersensitivity to inhaled organic dusts. Sufferers are commonly exposed to the dust by their occupation or hobbies. WEB: http://en.wikipedia.org/wiki/Hypersensitivity_pneumonitis extrinsic allergic alveolitis AE JX, LW, YH MedDRA: 10015887 过敏性肺炎