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puppies an dkittens are vaccinated every 3-4 weeks until they are 16 weeks old to stimulate a(n) ______ immune response once __________ immunity delcines

User Martin Pilch
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7 votes

Answer:

Active; passive

Step-by-step explanation:

puppies and kittens are vaccinated every 3-4 weeks until they are 16 weeks old to stimulate a(n) Active immune response once passive immunity declines.

User Lasitha Petthawadu
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