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| | AccessMedicine - Harrison's Internal Medicine: Immunization Principles and Vaccine Use: Introduction |
 | | Sections: Impact of Immunization, Definitions, Principles of Immunization, Approaches to Active Immunization, Approaches to Passive Immunization, Route of Administration, Age, Adjuvant Potentiation, The Immune Response, The Primary Response, The Secondary Response, Hypersensitivity Reactions, Mucosal Immunity, Measurement of the Immune Response, Herd Immunity, Target Populations and Timing of Immunization. |
 | | The epidemiologically appropriate use of vaccines has resulted in the global eradication of smallpox and, until recently, the cessation of smallpox vaccination. |
 | | Immunization has eliminated naturally transmitted poliomyelitis from the Western Hemisphere, Europe, and the Western Pacific. |
| www.accessmedicine.com /content.aspx?aID=67321 (355 words) |
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