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Active and passive immunity, vaccine types, excipients and licensing
1Epidemiology and Health Sciences, Stopford Building, Manchester University Medical School, Oxford Road, Manchester, UK. baxter@nhs.net
Occupational Medicine (Oxford, England)
|November 30, 2007
Summary
This review explains immunity, covering active and passive types. It details four vaccine categories and how they stimulate adaptive immune responses for disease protection.
Area of Science:
- Immunology
- Vaccinology
- Infectious Disease
Background:
- Immunity provides protection against infectious diseases.
- Protection can be acquired through natural infection, immunization, or non-immunological factors.
- Understanding different types of immunity is crucial for public health.
Purpose of the Study:
- To review the concepts of active and passive immunity.
- To differentiate between active and passive immunity.
- To describe the four main types of commercially available vaccines and their mechanisms.
Main Methods:
- Literature review of immunological principles.
- Analysis of vaccine classifications.
- Explanation of adaptive immune response generation.
Main Results:
- Active immunity involves the host's immune response, while passive immunity involves transferred antibodies.
- Four vaccine types exist: live attenuated, killed/inactivated, subunit, and toxoid.
- Each vaccine type elicits a specific adaptive immune response.
Conclusions:
- Vaccines are a key tool in generating protective immunity.
- Understanding vaccine types aids in selecting appropriate immunization strategies.
- This review provides a foundational overview of immunity and vaccination.
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