what does a vaccine made up of
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Explanation:
The main active ingredient of any vaccine is the disease-causing virus, bacteria or toxin, but a number of other components are needed to make the final vaccine as safe and effective as possible. Vaccines contain "killed" (inactivated) or "live" versions of the disease-causing virus, bacteria or toxin.
The whooping cough (pertussis) vaccine is an example. Toxoid vaccines contain a toxin or chemical made by the bacteria or virus
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Answer:
vaccine typically contains an agent that resembles with microbes and is a biological preparation
Explanation:
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