Question

Define vaccine please

Answer 1

An antigenic substance prepared from the causative agent of a disease or a synthetic substitute, used to provide immunity against one or several diseases...

hope its helps u....YO...@@

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Answer 2

Hello friend..

Here's Your Answer

Vaccine is a substance containing harmless form of germs that that cause a particular diseases. Its given to people usually by injection to prevent them getting disease..

Hope it helped you
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