Which of the Following Statements About Vaccinations Given to Humans

Multiple Choice

Which of the following statements about vaccinations given to humans is true?

A) The vaccination acts as the first exposure to a virus,allowing the much more effective second exposure response to occur when the virus actually infects the body.
B) A vaccination primes the body so that it will no longer respond to an invasion by a virus.
C) There is a chance of a person's getting the disease from a vaccination,because vaccination involves the injection of the entire living disease organism.
D) Vaccinations prime the virus so that the virus will not kill as many body cells as it would in a nonvaccinated person.