Question

DEFINE WHAT IS VACCINE?​

Answer 1

Answer:

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. Wikipedia

Answer 2

Vaccine:

A vaccine is a substance that is injected in a person or animal's blood using a injection to prevent a disease, which contains a weakened or dead form of the disease-causing organism.

It helps our immune system to destroy the living microbe during the future infection.

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Answered By: MoonGurl01