Question

what is vaccination​

Answer 1

hey mate...❗

Vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism in a weakened or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease.

Answer 2

Answer:

the insertion of killed or weekend microorganisms or protein or toxin from organism....is known as vaccination