character: Dr. James Reynolds
topic: The Role of Vaccines in Disease Prevention
grade: 9
subject: Science
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character: Dr. Sarah Thompson
topic: Understanding the Immune System and Vaccination
grade: 9
subject: Science
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character: Dr. Emily Carter
topic: History of Vaccination and Its Impact on Public Health
grade: 9
subject: Science
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character: Dr. Michael Larson
topic: How Vaccines Work to Prevent Infectious Diseases
grade: 9
subject: Science
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