how does a vaccine work
Answers
Answered by
2
Answer: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.
Explanation:
Answered by
1
Answer:
vaccine works like injection in body......the vaccine prevent disease permantly .the vaccine is very important many vaccine are introduce in our surroundings such as 'Polio vaccine' 'Triple vaccine' etc .......this is important thing that keep alone some disease for our whole life ........ vaccines are useful human as well as for animals also......
Similar questions