character: Dr. Sara Taylor
topic: Types of Vaccines and Their Effectiveness
grade: 11
subject: Science
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character: Dr. John Smith
topic: Human Immune Response to Vaccines
grade: 11
subject: Science
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character: Ms. Emily Johnson
topic: Vaccine Development Process
grade: 11
subject: Science
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character: Dr. Lisa Chen
topic: History of Vaccination and Public Health
grade: 11
subject: Science
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