Question

how does vaccine work in our body

Answer 1

Answer:

Explanation:

Vaccines are like a training course for the immune system. They prepare the body to fight disease without exposing it to disease symptoms. When foreign invaders such as bacteria or viruses enter the body, immune cells called lymphocytes respond by producing antibodies, which are protein molecules.

Answer 2

Answer:

Vaccines are like training course for the immune system. They prepare the boy to fight with disease without exposing it to disease symptoms. When foreign invader such as bacteria or viruses enter in our body , immune cells called lymphocytes respond by producing antibodies which are protein molecules.