What is the primary protective action described for antibodies generated by the vaccine?

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Multiple Choice

What is the primary protective action described for antibodies generated by the vaccine?

Explanation:
Antibodies produced by the vaccine primarily protect by neutralizing the virus—they bind to the viral spike protein, which is needed for the virus to attach to and enter host cells. By sticking to the spike, these antibodies block the virus from binding to the cell receptor (and fusing with the cell), preventing infection and helping clear the virus. The other options don’t align with how vaccine-induced antibodies protect: destroying red blood cells isn’t related to antiviral defense; stimulating replication would worsen infection; inhibiting T cells would weaken the immune response.

Antibodies produced by the vaccine primarily protect by neutralizing the virus—they bind to the viral spike protein, which is needed for the virus to attach to and enter host cells. By sticking to the spike, these antibodies block the virus from binding to the cell receptor (and fusing with the cell), preventing infection and helping clear the virus. The other options don’t align with how vaccine-induced antibodies protect: destroying red blood cells isn’t related to antiviral defense; stimulating replication would worsen infection; inhibiting T cells would weaken the immune response.

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