Question

how do vaccines protect us from various diseases

Answer 1

hey mate ❤

vaccines make our body ready ....to fight with diseases............

Answer 2

hi,
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.