Question

How do vaccines help in preventing diseases?

Answer 1

$\huge \mathfrak {Answer:-}$

Vaccines are the $\bold{inactive\: pathogens}$ which stimulate the $\bold{immune\:system.}$

Which in turn produces $\bold{antibodies}$ that prevents and protects the person against subsequent $\bold{infection}$ or $\bold{disease.}$

$\text{Be\:Brainly}$..❤️

Answer 2

Explanation:

they are pathogens that gives us immune against a particular disease