character: Mr. John Smith
topic: How Antibodies Protect Against Infectious Diseases
grade: 9
subject: Science
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character: Dr. Jane Doe
topic: The Immune System and Its Functions
grade: 9
subject: Science
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character: Professor Mary Johnson
topic: Vaccines and Their Role in Disease Prevention
grade: 9
subject: Science
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character: Nurse Emily Davis
topic: Understanding Pathogens and How the Body Fights Them
grade: 9
subject: Science
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