Which of the Following Is a Good Strategy for Developing

Which of the following is a good strategy for developing trial cancer vaccines?

A) Combine all the known tumor associated antigens into a single vaccine and administer it to a random population of healthy adults.
B) Target populations that have a particular cancer and create a vaccine using tumor associated antigens common to that particular cancer.
C) Combine all the known tumor associated antigens into a single vaccine and administer it to a random population of cancer patients.
D) Target healthy populations that are genetically predisposed to developing a particular cancer and create a vaccine using tumor associated antigens common to that particular cancer.