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Bernardo · Answer 1 · 2019-07-11T07:00:57+0000

Vaccines produce memory B and T cells that improve the body's response to an infection of that kind. Externally produced antibodies give the immune system temporary immunity.

Plang · Answer 2 · 2019-07-16T14:03:28+0000

Vaccines produce memory B and T cells that improve the body's response to an infection of that kind. Externally produced antibodies give the immune system temporary immunity.

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