Avaccine puts into the body weakened/dead pathogenic material, which by itself is incapable of causing disease. how does this to protect the body in the case of infection by a live pathogen? a) a vaccine causes the elimination of antibodies from blood thus protecting the body at the time of an infection. b) a vaccine injects weakened/dead pathogenic material which fights the live pathogen at the time of an infection. c) a vaccine causes the secretion of antigens which remain in blood and fight the pathogen at the time of an infection. d) a vaccine causes the secretion of antibodies which remain in blood and fight the pathogen at the time of an infection. eliminate