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Describe what a vaccine is made of and how it helps prevent infection.

Kaitlin Dean

in Health

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Jessie Thompson on December 3, 2018

Vaccines are made from mixtures that contain either parts of pathogens or all pathogens that prepare the body's defenses to fight against the the pathogenic agents.When injected vaccines for our body, it will improve our immune system to handle a specific type of pathogen that enters our the body in a way that is not contaminated.


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