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.
The white surgeon is the biggest freshwater fish in North America. It can reach 20 feet long and weigh up to 1,500 pounds. These large fish can live in fresh or salt water and can be found in the Western United States and Canada.