Acquiring immunity for a disease without actually experiencing the disease occurs through which process?

A) vaccination
B) natural immunity
C) having a fever
D) the body's production of antigens

Immunity

The ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.

Antigens

Substances often found on the surface of pathogens (like bacteria and viruses) that trigger an immune response when detected by the body.

Vaccination

The act of introducing a vaccine into the body to produce immunity to a specific disease.