Question

explain the following :
(a) vaccination. (b) autoimmune disease​

Answer 1

a) Vaccination:-Vaccination is one of the most effective ways to prevent diseases.Vaccination is the administration of a vaccine to help the immune system develop protection from a disease.

b) An autoimmune disease is a condition in which your immune system mistakenly attacks your body. The immune system normally guards against germs like bacteria and viruses. When it senses these foreign invaders, it sends out an army of fighter cells to attack them.

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Answer 2

[a]-Vaccination: Injection of a killed microbe in order to stimulate the immune system against the microbe, thereby preventing disease. Vaccinations, or immunizations, work by stimulating the immune system, the natural disease-fighting system of the body.

[b]-An autoimmune disease is a condition in which your immune system mistakenly attacks your body. The immune system normally guards against germs like bacteria and viruses. When it senses these foreign invaders, it sends out an army of fighter cells to attack them.