Which of the following best explains how a vaccine works?


Choose one:
A. Vaccine molecules bind to antibodies, which blocks them from harming the body.
B. Vaccine molecules stimulate the production of antibodies, which attack disease organisms.
C. Vaccine molecules stay in the body and directly attack disease organisms.
D. Vaccine molecules cause disease organisms to produce antibodies, which decrease the harmfulness of the disease organisms.

B. Vaccine molecules stimulate the production of antibodies, which attack disease organisms.