FACTORS ASSOCIATED WITH TRYPANOSOMA CRUZI EXPOSURE AMONG DOMESTIC CANINES IN TENNESSEE

被引:28
作者
Rowland, Meghan E. [1 ]
Maloney, Jenny [1 ,2 ]
Cohen, Sara [1 ]
Yabsley, Michael J. [3 ,4 ]
Huang, Junjun [1 ]
Kranz, Melissa [1 ]
Green, Alice [1 ]
Dunn, John R. [1 ]
Carpenter, L. Rand [1 ]
Jones, Timothy F. [1 ]
Moncayo, Abelardo C. [1 ]
机构
[1] Tennessee Dept Hlth, Nashville, TN 37243 USA
[2] Middle Tennessee State Univ, Dept Biol, Murfreesboro, TN 37132 USA
[3] Univ Georgia, SE Cooperat Wildlife Dis Study, Coll Vet Med, Athens, GA 30602 USA
[4] Univ Georgia, Warnell Sch Forestry & Nat Resources, Athens, GA 30602 USA
基金
美国国家卫生研究院;
关键词
LINKED-IMMUNOSORBENT-ASSAY; POLYMERASE-CHAIN-REACTION; RACCOONS PROCYON-LOTOR; NORTH-WEST ARGENTINA; CHAGAS-DISEASE; UNITED-STATES; AMERICAN TRYPANOSOMIASIS; AUTOCHTHONOUS TRANSMISSION; SOUTH-CAROLINA; RURAL AREA;
D O I
10.1645/GE-2299.1
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
Trypanosoma cruzi, the etiologic agent of Chagas' disease, is enzootic in animal populations of the southeastern United States. In the United States, T cruzi prevalence has been reported for over 20 different wildlife species, and 7 autochthonous human cases have been documented since 1955. Previous canine (Canis familiaris) serosurveys have been limited either by small sample size or confined geographic reporting areas. In this study, we report a seroprevalence of 6.4% among 860 canines from 31 counties and 5 ecoregions throughout Tennessee, using an indirect immunofluorescent assay (IFA). Statistically significant associations between seropositivity and age, weight, and outdoor living were noted. Differences in seropositivity were not seen based on American Kennel Club (AKC) group, sex, habitat, land cover, and ecoregion. Greater attention should be given to possible T cruzi transmission in Tennessee and veterinarians should consider Chagas' disease as a differential diagnosis with compatible signs.
引用
收藏
页码:547 / 551
页数:5
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