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1 October 2018 Identification of White-tailed Deer (Odocoileus virginianus) as a Novel Reservoir Species for Trypanosoma cruzi in Texas, USA
Sarah M. Gunter, Connor Cordray, Rodion Gorchakov, Ina Du, Bob Dittmar, Eric L. Brown, Kristy O. Murray, Melissa S. Nolan
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Abstract

Chagas disease, a vector-borne parasitic infection caused by Trypanosoma cruzi, represents a significant source of morbidity and mortality in the Americas. Mammalian reservoir species play a large role in propagating the sylvatic transmission cycle of this disease, and this cycle can spill over, resulting in human infections. Our understanding of the wildlife species implicated in propagating this transmission cycle is incomplete. We investigated white-tailed deer (Odocoileus virginianus) as a potential novel reservoir for this parasite. Only one of the 314 hunter-harvested deer hearts collected across Texas, was PCR-positive (0.3%) for T. cruzi. This finding has potential implications for deer hunters, because it indicates that there might be a risk of blood-borne transmission during the field-dressing process. Hunters should be strongly encouraged to wear gloves and other personal protective equipment when handling carcasses to prevent exposure to infected blood.

© Wildlife Disease Association 2018
Sarah M. Gunter, Connor Cordray, Rodion Gorchakov, Ina Du, Bob Dittmar, Eric L. Brown, Kristy O. Murray, and Melissa S. Nolan "Identification of White-tailed Deer (Odocoileus virginianus) as a Novel Reservoir Species for Trypanosoma cruzi in Texas, USA," Journal of Wildlife Diseases 54(4), 814-818, (1 October 2018). https://doi.org/10.7589/2017-09-223
Received: 11 September 2017; Accepted: 9 January 2018; Published: 1 October 2018
KEYWORDS
Chagas disease
reservoir species
Trypanosoma cruzi
white-tailed deer
zoonosis
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