Question

what do you mean by vaccine?

Answer 1

Hey, this is your answer
A vaccine is a biological preparation that provides active acquired immunity to a particular disease.

Answer 2

Hello friend..

Here's Your Answer

Vaccine is a preparation of killed microorganisms, living attenuated organisms, or living fully virulent organisms that is administered to produce or artificially increase immunity to a particular disease..

Hope it helped you
=KANISHKA