A DNA plasmid encoding a protein antigen from West Nile virus is injected into muscle cells of a horse. This is an example of a(n)
A) subunit vaccine.
B) attenuated whole- agent vaccine.
C) conjugated vaccine.
D) live whole- agent vaccine.
E) nucleic acid vaccine.

Question

Quizplus · Accepted Answer

This is an example of a nucleic acid vaccine because the DNA plasmid encodes for the antigen and is injected into the muscle cells. The muscle cells then use the coded instructions in the DNA to produce the antigen, which triggers an immune response.

A DNA Plasmid Encoding a Protein Antigen from West Nile