what is meant by vaccine?
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An antigenic substance prepared from the causative agent of a disease or a synthetic substitute, used to provide immunity against one or several diseases.
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Hope it helps !!
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It is an antigenic material which develops our immune system as such that it could adapt immunity to that pathogen which the vaccine is related to.It is made from that pathogen only.This the most effective way to protect diseases.
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Hope this helped u.
Ashu31:
please mark as brainliest answer.
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