character: Ms. Sarah Green
topic: How Vaccines Work to Protect the Immune System
grade: 9
subject: Biology
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character: Dr. John Smith
topic: The Role of Antibodies in Vaccine Efficacy
grade: 9
subject: Biology
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character: Mrs. Emily Carter
topic: Understanding the Immune Response to Vaccination
grade: 9
subject: Biology
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character: Mr. David Lee
topic: Types of Vaccines and How They Function
grade: 9
subject: Biology
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