character: Dr. Sylvia Immuno
topic: Exploring the Immune System
grade: 9
subject: Biology
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character: Antibody Pete
topic: Mechanisms of Antibody Production
grade: 9
subject: Biology
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character: Cellular Defender
topic: Role of T and B Cells in Immunity
grade: 9
subject: Biology
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character: Vaccine Vanessa
topic: History and Science of Vaccination
grade: 9
subject: Biology
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