A Vaccine is A

Question

A vaccine is a:
A) Suspension of infectious agents, their components, or genetically engineered antigens.
B) Solution of toxins from microorganisms and a solution of a nonpathogen.
C) Suspension of living infectious agents and a solution of a nonpathogen.
D) Solution of a nonpathogen.

Accepted Answer

A vaccine is typically composed of a suspension of infectious agents, their components or genetically engineered antigens. The purpose of vaccines is to stimulate an immune response that leads to the production of antibodies, which can protect the individual from subsequent exposure to the infectious agent.