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Question
Vaccines are made up of:
Options:
A .  Chemicals
B .  Drugs
C .  Weak microorganisms
D .  Viruses
Answer: Option C
:
C
A vaccine is abiological preparation containing weakened or dead microbes. It is introduced into a healthy person's body so that it can produce antibodies against the disease-causing microbes. Vaccines can be injected or administered orally.

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