Question

How do vaccines work in Human Body??​

Answer 1

Answer:

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response.

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Answer 2

Answer:

Vaccines are made up of weak or dead disease - causing microbes. This vaccine when entered in a human body produces antibodies which fight against that disease.

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