character: Dr. Robert Lee
topic: Vaccines and Immune Memory
grade: 10
subject: Biology
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character: Dr. Jane Smith
topic: How Vaccines Work
grade: 10
subject: Biology
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character: Dr. Emily White
topic: The Role of Antibodies in Immune Response
grade: 10
subject: Biology
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character: Dr. Michael Brown
topic: Understanding Herd Immunity
grade: 10
subject: Biology
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