Question

how is vaccination useful in our body . how it prevents disease

please answer fast in your own words
most high leveled answer will be marked as the brainliest​

Answer 1

Answer:

vaccination is useful because it permanently remove the viruses as viruses are not treated by antibiotics and make biochemical pathways that's why vaccination is useful

Answer 2

Answer:

vaccinations are helpful to enhance active immunity against a pathogen..... it prevents disease as the immune system of the person with vaccine has already developed memory cells from vaccinations so the response is fast against the pathogen