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May 23, 1908


JAMA. 1908;L(21):1692. doi:10.1001/jama.1908.02530470030003

On account of its gradual disappearance, now apparently almost complete, the remarkable disease known as trembles when affecting cattle and other animals, and as milksickness when communicated to human beings, seemed to be on the very point of passing into history as an unsolved problem of western medicine.

Fortunately the discovery of a new focus in the valley of the Pecos River in New Mexico gave to Jordan and Harris the opportunity necessary in order that the disease might be studied by means of modern microbiologic methods. As may be seen from their report in this issue of The Journal,1 there is every reason to believe that they have succeeded in discovering the actual cause of the disease. The description by Jordan and Harris of the symptoms of the sick animals seen by them and furnishing the materials for their study tallies so exactly with the symptoms of trembles