Hypersensitivity pneumonitis is a potentially fatal immunological lung disease caused by occupational or environmental exposure to specific antigens and resulting from lymphocytic and frequently granulomatous inflammation of the peripheral airways. alveoli. and surrounding interstitial tissue which develops as the result of a non-IgE-mediated allergic reaction to a variety of organic ... https://parlorcityfurniturers.shop/product-category/straight-desks/