vaccinia
/væk'siniə/
Definition
- Noun:
- A viral disease of cattle: A mild skin disease in cows, primarily affecting the udder. Historically, the virus from this disease was used to inoculate humans against smallpox.
- The human skin lesion resulting from such inoculation: A localized infection in humans, deliberately induced by inoculation with the cowpox virus to confer immunity to smallpox. This infection typically lasts about three weeks and leaves a characteristic pitted scar.
Examples of Usage
- Noun:
- The farmer identified vaccinia in the herd by the lesions on the cows' udders.
- The doctor explained that the vaccinia on the patient's arm was a normal reaction to the smallpox vaccine and would leave a small scar.
Advanced Usage
- "Vaccinia virus": The specific virus that causes cowpox and is used as the basis for the smallpox vaccine.
- The vaccinia virus is a key tool in immunology research.
Variants and Related Words
- Cowpox (n): Often used synonymously with to refer to the disease in cattle. It is the source of the virus used for vaccination.
- Vaccination (n): The act of administering a vaccine to produce immunity. The term is derived from (Latin for cow).
Synonyms
- Cowpox (n): The common name for the disease in cattle.
- Smallpox vaccine reaction (n): A descriptive term for the human lesion, though is the precise medical term.
Related Phrases
- To contract vaccinia: To become infected with the vaccinia virus.
- In rare cases, individuals can contract vaccinia from contact with a recently vaccinated person.
- Vaccinia immune globulin (VIG): A treatment used for complications arising from the vaccinia virus.
- Vaccinia immune globulin is administered to treat severe adverse reactions to the smallpox vaccine.
Noun
-
a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
-
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
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