↑1876, William Cullen Bryant, in a letter to Leonice M. S. Moulton, written in New York on 18 April 1876, published in The Letters of William Cullen Bryant, volume 6, on page 301: "If I had not what Dr. Gray calls the Epizootic -- pronounce both os -- I should have come out to Roslyn this week."
↑1913, Paul Fischer, Foot and Mouth Disease in Ohio, published in the Official bulletins of the Ohio Department of Agriculture, volumes 4-5, page 151: "The epizootic (pronounced ep-i-zo-ot-ic) of foot and mouth disease [...]"