Passive and active immunity

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  • Created by: Eema003
  • Created on: 02-06-16 16:17

Passive immunity

Short term immunity from the introduction of antibodies.

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Active immunity

Stimulating the production the production of antibodies by the individual's own immune system.

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Types of Active immunity

Natural: Body produces it's own antibodies. Results from the body being infected with a disease under normal circumstances.

Arteficial: Inducing an immune response without them suffering the symptoms of the disease.

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Differences

1. Active involves memory cells, passive does not;

2. Active involves production of antibody by plasma cells/memory cells;

3. Passive involves antibody introduced into body from outside/named source;

4. Active long term, because antibody produced in response to antigen;

5. Passive short term, because antibody (given) is broken down;

6. Active (can) take time to develop/work, passive fast acting;

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