character: Dr. Lee
topic: Types of Immune Responses
grade: 9
subject: Biology
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character: Dr. Smith
topic: Innate and Adaptive Immunity
grade: 9
subject: Biology
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character: Dr. Chen
topic: Antibody Production and Memory Cells
grade: 9
subject: Biology
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character: Dr. Patel
topic: Vaccines and Immune Memory
grade: 9
subject: Biology
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