Question

what is the function of vaccine?

Answer 1

hey mate...
the main nd basic function of vaccine is that it provides us immunity to fight against diseases.it will fight with disease causing viruses and bacteria to protect us from disease.
hope it helps.......

Answer 2

A vaccine is an inactived form of bacteria or virus that is injected into the body to stimulate an actual infection. Because the injected microorganism is dead they do not cause person to become sick. Instead, vaccines stimulate an immune response by the body that will fight off that type of illness.

hope it will really help u