Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
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DNA-Confirmed Taenia Solium Cysticercosis in Black Bears (Ursus Americanus) from California

J. H. TheisDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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Michael ClearyDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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Michael SyvanenDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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Arlette GilsonDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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Pamela SwiftDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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Jim BanksDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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Eileen JohnsonDepartment of Medical Microbiology, School of Medicine, and School of Veterinary Medicine, University of California, California Department of Fish and Game, Davis, California

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DOI:
https://doi.org/10.4269/ajtmh.1996.55.456
Volume/Issue:
Volume 55: Issue 4
Page(s):
456–458
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Three cases of cysticercosis in black bears (Ursus americanus) in three northern California counties between 1990 and 1994 have been identified as due to the tapeworm Taenia solium. Both morphologic characteristics as well as the presence of T. solium mitochondria cytochrome oxidase I gene sequences, as detected by the polymerase chain reaction, confirmed the diagnosis. The number and geographic separation of the cases suggests that infection of the bears was not due to a single contamination. Humans infected with the definitive stage of T. solium are the probable source of cysticercosis for bears, as well as other humans. This is the first confirmation of cysticercosis due to T. solium in a black bear in North America.
Copyright:
Copyright © 1996 by The American Society of Tropical Medicine and Hygiene 1996
Published Online:
Oct 1996
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