Question

Briefly Explain The Principle Of Vaccination?

Answer 1

To produce an immune response, live attenuated vaccines must replicate (grow) in the vaccinatedperson. A relatively small dose of virus or bacteria is administered, which replicates in the body and creates enough of the organism to stimulate an immune response.

Answer 2

it gives a little dose of a particular disease to our body so that our WBC's destroy it and know it so that in future if that we get that disease our WBC's can fight that disease and destroy it