Answer: Hypersensitivity reaction is a condition in which the normally protective immune system has a harmful effect on the body. It involves harmful immune response following sensitization and subsequent antigen contact. Type IV such as contact dermatitis reactions are delayed and cell-mediated and are the only hypersensitivity reaction that involves sensitized T lymphocytes rather than antibodies.
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the paragraph tells the story The Thing tells to place the settings tells what happened where to put where was it set at
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The ultimate goal of development is progressive transformation of economy and social system and the satisfaction of human needs and aspirations.