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Created page with 'File:lighterstill.jpgright|frame ==Origin== French ''vaccin'', from ''vaccine'' cowpox, from New Latin ''vaccina'' (in ''variolae'' ''v...'
[[File:lighterstill.jpg]][[File:Boosting-vaccine-power_1.jpg|right|frame]]
==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
*[http://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].
==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]]
==Description==
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.
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]
[[Category: Health]]
[[Category: Biology]]
[[Category: Chemistry]]
==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
*[http://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].
==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]]
==Description==
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.
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]
[[Category: Health]]
[[Category: Biology]]
[[Category: Chemistry]]