character: Mr. Alan Brown
topic: Exploring the Mechanisms of Adaptive Immunity and Vaccines
grade: 9
subject: Science
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character: Dr. Lisa Carter
topic: Understanding the Immune System: B and T Cells
grade: 9
subject: Science
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character: Ms. Sarah Johnson
topic: The Role of Vaccines in Public Health
grade: 9
subject: Science
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character: Mr. David Lee
topic: How Vaccines Work: A Deep Dive into Immunology
grade: 9
subject: Science
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