character: Ms. Sarah Johnson
topic: How the Immune System Responds to Infection
grade: 11
subject: Science
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character: Dr. Emily Carter
topic: Understanding White Blood Cells and Their Role in Immunity
grade: 11
subject: Science
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character: Mr. Alex Turner
topic: The Process of Antigen Presentation in Immune Response
grade: 11
subject: Science
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character: Ms. Linda Kim
topic: Vaccines and Their Effectiveness in Enhancing Immune Response
grade: 11
subject: Science
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