Science Fair Project Dictionary
Vaccine
English
Etymology
Latin vaccinus, from vacca 'cow' (because of early use of the cowpox virus against smallpox).
Noun
vaccine
- A substance giving to stimulate the body's production of antibodies and provide immunity against a disease, prepared from the agent that causes the disease, or a synthetic substitute.
10-26-2009 07:45:12
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


