character: Ms. Sarah Thompson
topic: How Vaccines are Developed
grade: 10
subject: Science
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character: Dr. Emily Carter
topic: The Science Behind Vaccine Efficacy
grade: 10
subject: Science
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character: Mr. John Reynolds
topic: The History of Vaccination
grade: 10
subject: Science
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character: Ms. Rachel Green
topic: Clinical Trials and Vaccine Safety
grade: 10
subject: Science
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