Q- What is Vaccine? how it provides immunity against disease?
Answer- A vaccine is a kind of medicine that is injected inside an individual’s body to protect that individual from a particular disease. There are different vaccines for different diseases. But the function that vaccines perform on an individual’s body is the same.
Vaccines help in increasing your ability to fight against a particular disease. In other words, it helps in providing immunity against any particular disease.
When the vaccine is injected inside an individual’s body so it starts training the immune system of an organism to fight against any disease. As we all know the immune system is a kind of network of cells, tissue, and organs that help in fighting off different diseases. The immune system produces antibodies to protect our body from foreign pathogen agents.
Class 9 Imp. Questions
- Why health and disease are called antagonistic to each other
- Give the significance of proper and sufficient food in preventing the disease
- What is therapy? Describe the various modes of therapy for infectious diseases
Now, we hope that you understood the complete concept of vaccine and how it provides immunity against disease. If you require any change in this answer so you can tell us in the comment section given below.