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| ==Origin== | | ==Origin== |
| French ''vaccin'', from ''vaccine'' cowpox, from New Latin ''vaccina'' (in ''variolae'' ''vaccinae'' cowpox), from ''Latin'', feminine of ''vaccinus'', adjective, of or from cows, from ''vacca'' cow; akin to [[Sanskrit]] ''vaśa'' cow | | French ''vaccin'', from ''vaccine'' cowpox, from New Latin ''vaccina'' (in ''variolae'' ''vaccinae'' cowpox), from ''Latin'', feminine of ''vaccinus'', adjective, of or from cows, from ''vacca'' cow; akin to [[Sanskrit]] ''vaśa'' cow |
− | *[http://en.wikipedia.org/wiki/19th_century 1813] | + | *[https://en.wikipedia.org/wiki/19th_century 1813] |
− | The term vaccine derives from [http://en.wikipedia.org/wiki/Edward_Jenner Edward Jenner]'s 1796 use of [http://en.wikipedia.org/wiki/Cowpox cow pox] to inoculate humans, providing them [[protection]] against [http://en.wikipedia.org/wiki/Smallpox smallpox]. | + | The term vaccine derives from [https://en.wikipedia.org/wiki/Edward_Jenner Edward Jenner]'s 1796 use of [https://en.wikipedia.org/wiki/Cowpox cow pox] to inoculate humans, providing them [[protection]] against [https://en.wikipedia.org/wiki/Smallpox smallpox]. |
| ==Definition== | | ==Definition== |
| 1: a [[preparation]] of killed microorganisms, living attenuated [[organisms]], or living fully virulent organisms that is administered to produce or artificially increase [[immunity]] to a particular [[disease]] | | 1: a [[preparation]] of killed microorganisms, living attenuated [[organisms]], or living fully virulent organisms that is administered to produce or artificially increase [[immunity]] to a particular [[disease]] |
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| A '''vaccine''' is a [[biological]] preparation that improves [[immunity]] to a particular [[disease]]. A vaccine typically contains an [[agent]] that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. The agent [[stimulates]] the body's [[immune]] system to recognize the agent as foreign, destroy it, and "remember" it, so that the immune system can more easily [[recognize]] and destroy any of these microorganisms that it later encounters. | | A '''vaccine''' is a [[biological]] preparation that improves [[immunity]] to a particular [[disease]]. A vaccine typically contains an [[agent]] that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins. The agent [[stimulates]] the body's [[immune]] system to recognize the agent as foreign, destroy it, and "remember" it, so that the immune system can more easily [[recognize]] and destroy any of these microorganisms that it later encounters. |
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− | Vaccines can be [http://en.wikipedia.org/wiki/Prophylaxis prophylactic] (example: to prevent or ameliorate the effects of a [[future]] [[infection]] by any natural or "wild" [http://en.wikipedia.org/wiki/Pathogen pathogen]), or [[therapeutic]] (e.g. vaccines against cancer are also being investigated; see [http://en.wikipedia.org/wiki/Cancer_vaccine cancer vaccine]. [http://en.wikipedia.org/wiki/Vaccine] | + | Vaccines can be [https://en.wikipedia.org/wiki/Prophylaxis prophylactic] (example: to prevent or ameliorate the effects of a [[future]] [[infection]] by any natural or "wild" [https://en.wikipedia.org/wiki/Pathogen pathogen]), or [[therapeutic]] (e.g. vaccines against cancer are also being investigated; see [https://en.wikipedia.org/wiki/Cancer_vaccine cancer vaccine]. [https://en.wikipedia.org/wiki/Vaccine] |
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| [[Category: Health]] | | [[Category: Health]] |
| [[Category: Biology]] | | [[Category: Biology]] |
| [[Category: Chemistry]] | | [[Category: Chemistry]] |