Biology, 25.11.2021 08:30, jayjay5246

Allergic responses to inhaled antigens occur when an individual is first sensitized to the antigen (i. e., the allergen), inducing an immune response, and then has a subsequent exposure to the same antigen. The sensitization phase is characterized by:

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Allergic responses to inhaled antigens occur when an individual is first sensitized to the antigen (...