character: Dr. Mark Thompson
topic: Vaccination and Herd Immunity Dynamics
grade: 9
subject: Biology
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character: Dr. Sarah Jennings
topic: The Role of Vaccines in Disease Prevention
grade: 9
subject: Biology
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character: Dr. Emily Carter
topic: Understanding Immunology and Herd Immunity
grade: 9
subject: Biology
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character: Dr. James Wilson
topic: Community Health and Vaccination Strategies
grade: 9
subject: Biology
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