Question

Vaccines are made from whom?

Answer 1

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.

Answer 2

Answer:

Vaccines are made by weakening any virus or bacteria so they can't reproduce by themselves.

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