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August 5, 1911, Vol LVII, No. 6 >
ARTICLE | August 5, 1911

THE JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

JAMA. 1911;LVII(6):484-486. doi:10.1001/jama.1911.04260080048017.
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SATURDAY AUGUST 5, 1911 

TICK CONTROL IN RELATION TO ROCKY MOUNTAIN SPOTTED FEVER  Dr. H. T. Ricketts, in his classical work on Rocky Mountain spotted fever, demonstrated that wood-ticks collected from nature could infect guinea-pigs with the disease and recommended as a prophylactic measure the eradication of the tick. Active steps to destroy or decrease the number of ticks were, however, never taken by him, although dipping and spraying of domestic cattle and periodic changing of pasturage were suggested.Recently, Cooley1 of the Montana Experiment Station, in cooperation with the Bureau of Entomology, has made a study of the control of the tick in relation to the disease. His method is to collect as great a number of ticks as possible from all the

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