Echinococcosis in Utah

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  • Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, Center for Disease Control, Atlanta, Georgia 30333
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A fatal case of indigenously acquired echinococcosis is reported from Herriman, Utah. The patient, an 8-year-old boy, is known to have had contact with animals on his grandfather's ranch, and subsequent studies traced infected sheep back to this ranch, where a dog carrying Echinococcus granulosus tapeworms was also identified. Skin-test, serologic, and X-ray studies of almost 400 of the town's 500 inhabitants failed to uncover other human cases, although five skin-test reactions were considered positive. This is the 17th known human case of locally acquired echinococcosis in Utah and the first in which a complete transmission cycle for the disease was identified.

Author Notes

Present address: Beth Israel Hospital, Boston, Massachusetts 02115. Former EIS Officer, Parasitic Diseases Branch, Epidemiology Program.

Present address: Division of Infectious Diseases, University of Utah College of Medicine, Salt Lake City, Utah 84112. Former EIS Officer, Utah State Division of Health.

Present address: Westmoreland Animal Hospital, Macon, Georgia 31204. Former EIS Veterinary Officer, Parasitic Diseases Branch, Epidemiology Program.

Present address: UCLA Affiliated Hospitals, Los Angeles, California 90024. Former 4th-year medical student, University of Utah College of Medicine.

Chief, Parasitic Diseases Branch, Epidemiology Program, CDC, Atlanta.

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