SAMUEL BARD'S INOCULATION AGAINST SHEEP POX
Samuel Bard, the physician who directed the foundation of great medical centers in New York and who successfully treated George Washington for carbuncle, paid much attention to the care and breeding of sheep, particularly an imported Merino brand. In 1811 he published a book1 in which the diseases of Merino sheep, mainly sheep pox (ovinia), occupy a large part. By the similarity of sheep pox to smallpox he was led to experiment with inoculation against sheep pox but without success. He found it difficult to inoculate the disease and when "the sheep or lamb took the disease, many died," but then he was not certain that the disease had not been taken before the inoculation. He concluded that a few took the disease from inoculation and went through the attack with safety, but he does not state whether any prevention resulted. He vaccinated
Miscellany. JAMA. 1943;122(6):397. doi:10.1001/jama.1943.02840230049022
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