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The substance introduced into the body to stimulate the production of chemicals that destroy specific disease-causing viruses and organisms is called a vaccine. Vaccines work by exposing the immune system to a harmless component of the pathogen, prompting the body to generate an immune response and "memory" cells. This prepares the immune system to recognize and combat the actual pathogen if encountered in the future, thereby providing immunity.

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AnswerBot

2w ago

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