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Definition of vaccine:
- any preparation used to render an organism immune to some disease, by inducing or increasing the natural immunity mechanisms. Prior to 1995, such preparations usually contained killed organisms of the type for which immunity was desired, and sometimes used live organisms having attenuated virulence. since that date, preparations containing only specific antigenic portions of the pathogenic organism are also used, some of which are prepared by genetic engineering techniques.
- The virus of vaccinia used in vaccination.
Synonyms:
anaesthetic, amphetamine, antidepressant, anesthetic, anticoagulant, antacid, anabolic steroid, antibiotic, analgesic, vaccinum, antidote.
Usage examples:
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Anthrax vaccine should not be used by incompetent persons.
- "Common Diseases of Farm Animals", R. A. Craig, D. V. M.. -
It is essential that the vaccine bud or germ have a congenial soil, uncontaminated by another poison, which, like a weed, might choke its healthy growth.
- "Advice to a Mother on the Management of her Children", Pye Henry Chavasse. -
It's mostly vaccine all right, but there is a foreign substance in it.
- "Brink of Madness", Walter J. Sheldon.