1 a suspension of dead, attenuated, or otherwise modified microorganisms (viruses, bacteria, or rickettsiae) for inoculation to produce immunity to a disease by stimulating the production of antibodies
2 a preparation of the virus of cowpox taken from infected cows and inoculated in humans to produce immunity to smallpox
3 modifier of or relating to vaccination or vaccinia
4 (Computing) a piece of software designed to detect and remove computer viruses from a system
(C18: from New Latin variolae vaccinae cowpox, title of medical treatise (1798) by Edward Jenner, from Latin vacca a cow)
Diccionario de inglés definición
a substance containing a harmless form of the germs that cause a particular disease. It is given to people, usually by injection, to prevent them from getting that disease.
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