- an eruptive disease appearing on the teats and udders of cows, in which small pustules form that contain a virus used in the vaccination of humans against smallpox.
Origin of cowpox
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cowpox
Vaccination for the cowpox introduced with great success in Persia.The Every Day Book of History and Chronology
Dr. Bacon is of opinion that the cowpox is now what it was at the beginning.Curiosities of Medical Experience
J. G. (John Gideon) Millingen
By vaccinating a person we inoculate him with vaccinia or cowpox.Essays In Pastoral Medicine
Cowpox or horsepox may be accidentally transmitted by inoculation.Special Report on Diseases of Cattle
U.S. Department of Agriculture
Jenner was led to his great discovery by the remark of an old peasant woman: "I can't catch smallpox, for I have had cowpox."A History of the Nineteenth Century, Year by Year
- a contagious viral disease of cows characterized by vesicles on the skin, esp on the teats and udder. Inoculation of humans with this virus provides temporary immunity to smallpox. It can be transmitted to other species, esp cats
- A mild, contagious skin disease of cattle, usually affecting the udder, that is caused by a virus and characterized by the eruption of a pustular rash. When the virus is transmitted to humans, as by vaccination, it can confer immunity to smallpox.vaccinia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.