Question

Why is vaccination considered prevention of disease???

Answer 1

because it is a dose of weekend disease

Answer 2

here is your answer vaccination is considered as prevention of disease because through vaccination killed,attenuated, or pieces of protein in inactivated form of pathogen introduce into the human body. our body recognized it as foreign particle and produce antibody by our immune system as a primary response and also form memory cells by our immune system which is saved in our lymphatic organ to prevent from the diseases whenever it attacked the body to produce secondary response and kill the disease causing pathogen therefore prevent from disease