Immunology USMLE Step 1 Practice Question
An investigator is developing a new vaccine that offers lifelong immunity against a certain disease. After injecting the agent, the immune response is recorded by measuring vaccine-specific antibodies at subsequent timed intervals. To induce the maximum immunogenic response, this vaccine should have which of the following properties?
Answer choices
- AAutologous denatured protein
- BForeign intact polysaccharide bound to protein
- CChemically inactivated microorganism
- DForeign intact polysaccharide
- EForeign denatured protein
- FWeakened live microorganismsCorrect answer
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