Biology, asked by prishabh5622, 1 year ago

What are vaccine its preparation and mechanism of working?

Answers

Answered by LuvKapoor003
4
· Vaccines give the body's natural defense system a boost against infectious disease..

sonam9746: hii
Answered by Anonymous
2
BONJOUR,
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vaccines are the way of preparing ourselves from the various disesase by the action of pathogen by the process of vaccination
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