vaccinia(redirected from primary reaction)
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1. See cowpox.
2. The usually mild, cutaneous and sometimes systemic reaction in individuals who have been inoculated with smallpox vaccine.
[New Latin vaccīnia, from Latin vaccīnus, of cows; see vaccine.]
(Veterinary Science) a technical name for cowpox
[C19: New Latin, from Latin vaccīnus of cows]
vac•cin•i•a(vækˈsɪn i ə)
n., pl. -cin•i•as.
a variant of the cowpox virus that became established in vaccines derived from cowpox-inoculated humans.
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|Noun||1.||vaccinia - a local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar|
progressive vaccinia, vaccinia gangrenosa - a severe or even fatal form of vaccinia that occurs mainly in persons with an immunological deficiency; characterized by progressive enlargement of the initial lesion
infection - the pathological state resulting from the invasion of the body by pathogenic microorganisms
|2.||vaccinia - a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox|
pox - a contagious disease characterized by purulent skin eruptions that may leave pock marks
animal disease - a disease that typically does not affect human beings
n. vaccinia, virus causante de la viruela bovina del cual se obtiene la vacuna contra la viruela.