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Louis Pasteur and his associates conducted a series of anthrax vaccine studies in farm animals beginning in 1881. This chart shows the successful reduction in mortality due to anthrax. The 1881 study is listed first in the chart.
The Historical Medical Library of The College of Physicians of Philadelphia. Chamberland C. Le Charbon et Vaccination Charbonneuse. Paris: Bernard Tignol, 1883.
The Historical Medical Library of The College of Physicians of Philadelphia