Question

why is vaccination considered a preventation of disease

Answer 1

Vaccines contain the same antigens that cause disease . so it is considered a prevention of diseases

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Answer 2

Vaccination is a mode of immunization where an inactive or dead foreign agent ( antigen ) is introduced in the body .

The inactive or dead antigen upon entry activates the immune system and  generates an immune response ( forms antibodies against antigen or the foreign agent) in the body post identification of the antigen.

Hope this will help you :-))

Biee ^_^

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