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Active immunity:
1. Vaccination: A doctor inoculates you with a vaccine to prevent the disease.
2. Gene Therapy: you are inoculated with a benign virus carrying special DNA, so that your body will form an immunity to the target disease.

Passive immunity:
1. Genetic: You are born with immunity to the disease.
2. Acquired: You contract the disease, but your body's immune system overcomes the disease and develops antibodies for future immunity.

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2007-09-24 05:06:13 · answer #1 · answered by tlbs101 7 · 0 0

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