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Biology, 14.12.2019 05:31 archiecom55

Avaccine is effective because a vaccine is effective because the vaccine contains the lymphocytes necessary to fight infection the vaccine contains the antibodies necessary to fight infection the secondary response of the adaptive immunity is faster and more efficient than the primary response lymphocytes are unable to mount an immune response the first time they are exposed to a new pathogen

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Avaccine is effective because a vaccine is effective because the vaccine contains the lymphocytes...
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