Which of the Following Characteristics of Vaccines Are Required in Order

Multiple Choice

Which of the following characteristics of vaccines are required in order for them to be effective in immunization? (Select all that apply.)

A) They must contain the entire pathogen.
B) They must present antigenic surfaces recognized by immunoglobulin molecules.
C) They must stimulate lymphocyte activity.
D) They must stimulate the production of large quantities of plasma cells.
E) They must stimulate the production of memory cells.