Question

Vaccines work by exploiting the _________________memory. Vaccination
simulates an _______________, training the immune system and enabling it to
develop _________ to fight back

Answer 1

Answer:

immune system´s

infection

weapons

Explanation:

Vaccination exposes the body to the antigens of a distinct pathogen to stimulate the immune system without provoking the illness. By doing this,   long-lasting antibodies and memory cells are generated, that allow the immune system to react quickly and with a high activity if the body gets exposed to the disease.