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Immune response. A response from the body to an antigen that occurs when the antigen is identified as foreign and that induces the production of antibodies and lymphocytes capable of destroying the antigen or making it harmless.
Adaptive response. The adaptive immune system is activated by the innate immune response, recognizes antigens unique to particular pathogens, and produces a long-lasting adaptive immune response specific to that pathogen (or antigen associated with the pathogen).