Hypersensitivity pneumonitis involves inhalation of an antigen. This leads to an exaggerated immune response (hypersensitivity). Type III hypersensitivity and type IV hypersensitivity can both occur depending on the cause. Diagnosis. The diagnosis is based upon a history of symptoms after exposure to the allergen and clinical tests.
Whitewater definition, of or moving over or through rapids: whitewater rafting down the Colorado River. See more.
Definition of brown water : an inland or coastal waterway especially when murky or colored brown by silt, tannins, or pollutants â compare blue water People Are Reading Trending: Johnson: London Mayor a 'Popinjay'