Vaccines: Difference between revisions
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'''Original Editor '''- [[User:User Name| | '''Original Editor '''- [[User:User Name|Lucinda hampton]] | ||
'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | '''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | ||
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== Introduction == | == Introduction == | ||
A vaccine is a pharmacologic compound that improves a person's immunity to a particular disease. | |||
* When a disease-causing bacterium or virus invades the human body, the immune system recognizes the material as foreign, usually by detecting specific protein portions of the invading organism, known as antigens. | |||
* Vaccines contain a form of the disease-causing agent, whether it be a weakened or killed form of the microbe itself, an inactivated version of its toxins, or a protein from the surface of the microbe. | |||
* By introducing a form of the agent, the vaccine presents the antigen to the immune system, allowing it to recognize the antigen as foreign and develop antibodies and memory T-lymphocytes against those antigens. | |||
* This allows a more rapid and robust immune response should the body be exposed to the organism in the future. | |||
* In the absence of vaccination, the first exposure to the natural organism may prove fatal before the immune system can mount a sufficient immune response.<ref>Ginglen JG, Doyle MQ. [https://www.ncbi.nlm.nih.gov/books/NBK459331/ Immunization]. InStatPearls [Internet] 2018 Oct 27. StatPearls Publishing. Available from:https://www.ncbi.nlm.nih.gov/books/NBK459331/ (last accessed 6.6.2020)</ref> | |||
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Revision as of 07:20, 6 June 2020
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Original Editor - Lucinda hampton
Top Contributors - Lucinda hampton, Sukhi Dhaliwal, Kim Jackson, Kirenga Bamurange Liliane and Nupur Smit Shah
Introduction[edit | edit source]
A vaccine is a pharmacologic compound that improves a person's immunity to a particular disease.
- When a disease-causing bacterium or virus invades the human body, the immune system recognizes the material as foreign, usually by detecting specific protein portions of the invading organism, known as antigens.
- Vaccines contain a form of the disease-causing agent, whether it be a weakened or killed form of the microbe itself, an inactivated version of its toxins, or a protein from the surface of the microbe.
- By introducing a form of the agent, the vaccine presents the antigen to the immune system, allowing it to recognize the antigen as foreign and develop antibodies and memory T-lymphocytes against those antigens.
- This allows a more rapid and robust immune response should the body be exposed to the organism in the future.
- In the absence of vaccination, the first exposure to the natural organism may prove fatal before the immune system can mount a sufficient immune response.[1]
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References[edit | edit source]
- ↑ Ginglen JG, Doyle MQ. Immunization. InStatPearls [Internet] 2018 Oct 27. StatPearls Publishing. Available from:https://www.ncbi.nlm.nih.gov/books/NBK459331/ (last accessed 6.6.2020)
