cowpox
Noun
Meaning
A pustular eruptive disease of the cow, which, when communicated to the human system, as by vaccination, protects from the smallpox; vaccinia; -- called also kinepox, cowpock, and kinepock.
Source: Webster's dictionarySynonyms
Hypernyms
Examples
I hope that some day the practice of producing cowpox in human beings will spread over the world - when that day comes, there will be no more smallpox.
After infection by the cowpox virus, the body (usually) gains the ability to recognize the similar smallpox virus from its antigens and is able to fight the smallpox disease much more efficiently.
After inoculation, vaccination using the cowpox virus became the primary defense against smallpox.
Edward Jenner had also discovered vaccination using cowpox ( Vaccinia ) to give cross-immunity to smallpox in 1796, and by Pasteur's time this had generally replaced the use of actual smallpox ( Variola ) material in inoculation.
At some point, the virus in use was no longer cowpox, but vaccinia.
By 1768, English physician John Fewster had realized that prior infection with cowpox rendered a person immune to smallpox.