Hypersensitivity pneumonitis

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What Wikipedia says

Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a syndrome caused by the repetitive inhalation of antigens from the environment in susceptible or sensitized people.

Excerpt from the Wikipedia article “Hypersensitivity pneumonitis”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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