_______________is the process by which a dead or disabled pathogen (or proteins from that pathogen) is introduced into the body so that an immune response results without actual infection.

A. Autoimmunity
B. An allergic reaction
C. Immunity
D. Vaccination

Respuesta :

D. Vaccination 

A vaccination is a dead or weakened virus that is put into your body so that your body can kill the weakened pathogen easily so that if the actual strong pathogens enter your body your system has already had a "practice round" and therefore knows how to kill the pathogens.