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What is acquired immunity ? Explain the 3 features of acquired immunity

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Explanation:

Acquired immunity: Immunity acquired by INFECTION or vaccination (active immunity) or by the transfer of antibody or lymphocytes from an immune donor (passive immunity). Acquired immunity is in contrast to INNATE immunity (natural immunity).

  • Specificity: Acquired immunity is specific for each type of pathogen.
  • Diversity: It has the ability to recognize VAST variety of diverse PATHOGENS or foreign MOLECULES.
  • Discrimination between self and non-self: It is able to differentiate between own cells (self) and foreign cells or molecules.

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