Vaccines are:
A)specific disease-causing molecules that incorporate into cells
B)the causative agent of Black Death
C)selective chemicals used to treat infectious disease
D)preparations that establish immunity to a disease

Question

Quizplus · Accepted Answer

Vaccines are preparations that establish immunity to a disease. They contain weakened or dead pathogens or parts of them, which stimulate the body's immune response and create immunity to the disease without causing the disease.

Vaccines Are