As one of the pioneers of vaccination against smallpox, William Woodville played a major role in the fight against one of the deadliest diseases in human history. In this groundbreaking work, he presents a series of reports on the use of cowpox as a substitute for smallpox vaccination, drawing on his own extensive clinical experience and research. With clear, detailed descriptions of the procedures used and their clinical results, the book stands as a landmark in the history of medicine and public health. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.