Dr. James Law reports having observed the disease in man from drinking infected milk during the epizootic of 1870 in the Eastern States, but the outbreaks of 1880 and 1884 affected such a small number of animals and were so quickly suppressed that no instance of its transmission to man was recorded.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Certain appearances which are characteristic of one epizootic may be absent in another.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The contagious pleuropneumonia of cattle is a specific, epizootic disease which affects bovine animals, and from which other species are exempt.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler