Concepts of immunity and vaccination principles

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Across
  1. 1. (...immunisation) the transfer of preformed antibodies to the circulation, can be natural or artificial
  2. 5. a toxin or other foreign substance which induces an immune response in the body
  3. 6. (...immunity) creates immunological memory after an initial response to a specific pathogen, and leads to an enhanced response to subsequent encounters with that pathogen. Also known as acquired immunity
  4. 8. (...immunisation) when a substance is introduced into the body (usually by injection) to encourage the body's immune system to produce antibodies against a particular disease
Down
  1. 2. substance produced by B lymphocytes to help eliminate an antigen
  2. 3. (...immunity) nonspecific defence mechanisms that come into play immediately or within hours of an antigen's appearance in the body
  3. 4. substance added to a vaccine in order to stimulate the immune system
  4. 7. (...immunity) a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection
  5. 9. Typed of immunoglobulin produced in much higher amounts following immunisation