character: Research Scientist Tom Chen
topic: Immune Response Mechanisms
grade: 9
subject: Science
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character: Dr. Sarah Lin
topic: Adaptive Immunity and Memory Cells
grade: 9
subject: Science
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character: Professor Mark Evans
topic: Innate Immunity and Pathogen Recognition
grade: 9
subject: Science
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character: Dr. Emily Roberts
topic: Vaccines and Immune System Activation
grade: 9
subject: Science
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