character: Dr. Michael Thompson
topic: Vaccine Development Process
grade: 10
subject: Science
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character: Dr. Sarah Johnson
topic: Immunology and Vaccines
grade: 10
subject: Science
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character: Dr. Emily Chen
topic: Clinical Trials and Safety in Vaccines
grade: 10
subject: Science
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character: Dr. Robert Khan
topic: History of Vaccine Development
grade: 10
subject: Science
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