character: Dr. Immune
topic: Human Immune System Overview
grade: 9
subject: Science
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character: Celia Cell
topic: White Blood Cells and Their Functions
grade: 9
subject: Science
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character: Professor Pathogen
topic: Types of Pathogens: Bacteria, Viruses, and Fungi
grade: 9
subject: Science
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character: Vera Vaccine
topic: Vaccination and Immune Response
grade: 9
subject: Science
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