An Important Barrier(s)against the Development of a "Cancer Vaccine" Is

question 4

Multiple Choice

An important barrier(s) against the development of a "cancer vaccine" is (are)

• A)many tumor associated antigens are similar to normal human antigens.
• B)tumors of the same cell type can produce completely different antigens in different people.
• C)tumors can express multiple antigens and it is less likely that a vaccine against a single antigen would be effective, especially in all people.
• D)the antigens expressed by tumors can vary over time within the same patient.
• E)All of the above.

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