character: Dr. Immuno
topic: Introduction to Vaccination and the Immune Response
grade: 9
subject: Biology
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character: Vaccine Voyager
topic: Types of Vaccines and Their Mechanisms
grade: 9
subject: Biology
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character: Cell Squad
topic: B Cells and T Cells: Key Players in Immunity
grade: 9
subject: Biology
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character: The Immune Explorer
topic: How Vaccination Leads to Immunological Memory
grade: 9
subject: Biology
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