Release date is 2009-07-15

E-text prepared by K. Nordquist, Michael Roe, Carl Hudkins, and the Project Gutenberg Online Distributed Proofreading Team (http://www.pgdp.net) from page images generously made available by the Posner Memorial Collection, Carnegie Mellon University Libraries (http://posner.library.cmu.edu/Posner/)

"An Inquiry into the Causes and Effects of the Variolae Vaccinae" by Edward Jenner is a scientific publication written during the late 18th century. This foundational work explores the properties and implications of cowpox, a disease discovered in western England, particularly Gloucestershire. Jenner's investigation ultimately links cowpox to immunity against smallpox, a significant breakthrough in medical science. In the book, Jenner presents a detailed analysis of cowpox, describing its transmission from horses to cows and then to humans, primarily through individuals who milk the infected cows. He shares numerous case studies illustrating how individuals who contracted cowpox subsequently remained immune to smallpox, even after exposure or inoculation attempts. The text carefully dissects symptoms, outcomes, and the effectiveness of the cowpox virus in protecting against smallpox, highlighting Jenner’s experimental approach that laid the groundwork for the development of vaccination techniques that we recognize today. Throughout the work, he stresses the import of these findings for public health and the potential for cowpox to serve as a safer means of inoculation against smallpox. (This is an automatically generated summary.)

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