20.03.2023 - 02:33

A vaccine is effective because _____.


A vaccine is effective because _____.

a. the vaccine contains the antibodies necessary to fight infection.

b. the vaccine contains the lymphocytes necessary to fight infection

c. the secondary response of the adaptive immunity is faster and more efficient than the primary response

d. B-lymphocytes are unable to mount an immune response the first time they are exposed to a new pathogen

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