The discovery of antibodies and the understanding of their actions lead to
A) improved vaccine design.
B) the development of genetically engineered vaccines.
C) improved methods of immunization.
D) the development of passive immunotherapy.
E) the use of the technique known as variolation.
D
Bloom's Taxonomy: Comprehension
Section: Immunization
Learning Outcome: 17.1
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What will be an ideal response?