chrisaether chrisaether
  • 11-05-2017
  • Biology
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You develop active immunity to a pathogen by

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amritpal
amritpal amritpal
  • 11-05-2017
Active immunity can be natural or artificially developed. Naturally acquired - a person is exposed to a live pathogen, develops an immune response - and then creates memory T and B cells. Artificially acquired - a person is given a vaccine (which contains the antigen). This stimulates the same response, without the symptoms of the disease.





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