Question

Vaccination is an important way to build immunity in body. Justify.

Answer 1

Explanation:

The vaccination uses your body's immune system to increase protection to an infection before you come into contact with that infection. In other words, it is like being infected with the disease without suffering the actual symptoms

Answer 2

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A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. ... By injecting these antigens into the body, the immune system can safely learn to recognize them as hostile invaders, produce antibodies, and remember them for the future.