character: Dr. Alex Patel
topic: How Vaccines Work: A Dive into B Cells and Memory
grade: 9
subject: Science
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character: Dr. Emily Johnson
topic: Understanding the Immune System
grade: 9
subject: Science
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character: Professor Mark Stevens
topic: The Role of Antibodies in Immunity
grade: 9
subject: Science
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character: Ms. Sarah Rivera
topic: How Vaccines Are Developed and Tested
grade: 9
subject: Science
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