character: Dr. Ellen R. Patience
topic: Understanding Infections and Their Symptoms
grade: 9
subject: Science
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character: Nurse Sam A. Help
topic: Common Symptoms of Infections
grade: 9
subject: Science
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character: Professor V. Biology
topic: Types of Infections: Bacterial vs. Viral
grade: 9
subject: Science
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character: Dr. Clara D. Immunity
topic: Immune Response to Infections
grade: 9
subject: Science
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