Explain the difference between active and passive immunity and give examples of each.

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Explain the difference between active and passive immunity and give examples of each.



Answer:

Active immunity results when a person has had previous exposure to a disease or pathogen.

Passive immunity bypasses the body's immune response to afford the benefit of immediate antibody availability.

• Active natural - contract disease and produce memory cells.
• Active artificial - receive a vaccination and produce memory cells.
• Passive natural - receive maternal antibodies through placenta or breast milk.
• Passive artificial - receive antiserum with antibodies from another host.

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