VARIOLA VACCINA Meaning and
Definition
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Variola vaccina, commonly known as cowpox, is a viral infection caused by the orthopoxvirus. This virus belongs to the family Poxviridae and is closely related to the smallpox virus (Variola major and Variola minor). The term "variola vaccina" originates from the Latin word "variola" meaning pustule or pimple and "vaccina" meaning pertaining to cows, as the virus historically infected cows.
Cowpox primarily affects cows, rodents, and occasionally other mammals, including humans. It is transmissible to humans through direct contact with infected animals or contaminated objects. The virus enters the body through breaks in the skin, particularly through minor abrasions or scratches.
In humans, the infection initially presents as a localized eruption on the site of virus entry, typically on the hands, fingers, or face. These skin lesions gradually progress to form small, blister-like pustules that contain the virus. Over time, these pustules crust over and heal, leaving a characteristic scar.
Variola vaccina is historically known for its significant role in the development of the smallpox vaccine. The concept of inoculation with cowpox material, known as variolation, was pioneered by Edward Jenner in the late 18th century. Jenner discovered that infection with cowpox provided immunity against smallpox, leading to the successful development of the smallpox vaccine.
Today, variola vaccina is considered a relatively rare disease, with only sporadic cases reported. It is of significant historical importance due to its contribution to the eradication of smallpox and the use of vaccines in modern medicine.
Common Misspellings for VARIOLA VACCINA
- variola vaccinua
- variola vaccinuia
- variola vaccinia
- variole vaccinia
- cariola vaccina
- bariola vaccina
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Etymology of VARIOLA VACCINA
The term "variola vaccina" is Latin and derives from the combination of two words: "variola" and "vaccina".
"Variola" comes from the Latin word "varius", meaning "marked with spots", or "variare", meaning "to vary". It originally referred to the smallpox virus, which causes a distinct rash or pustules on the skin.
"Vaccina" comes from the Latin word "vacca", meaning "cow". This term was used because the smallpox vaccine was initially developed using cowpox, a disease that affects cows but provides immunity against smallpox in humans.
Therefore, "variola vaccina" literally translates to "smallpox of the cow" and was used to describe the smallpox vaccine derived from cowpox.
Similar spelling words for VARIOLA VACCINA
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