Raccoons As an Important Reservoir for Trypanosoma cruzi: A Prevalence Study from Two Metropolitan Areas in Louisiana

被引：13

作者：

Majeau, Alicia ^{[1
]}

Pronovost, Henry ^{[1
]}

Sanford, Anna ^{[1
]}

Cloherty, Erin ^{[2
]}

Anderson, A. Nikki ^{[3
]}

Balsamo, Gary ^{[4
]}

Gee, Laura ^{[5
]}

Straif-Bourgeois, Susanne C. ^{[6
]}

Herrera, Claudia ^{[1
]}

机构：

[1] Tulane Univ, Vector Borne & Infect Dis Res Ctr, Sch Publ Hlth & Trop Med, Dept Trop Med, 1440 Canal St, New Orleans, LA 70112 USA

[2] New Orleans Mosquito Rodent & Termite Control, New Orleans, LA USA

[3] Louisiana Dept Fisheries & Wildlife, Baton Rouge, LA USA

[4] Off Publ Hlth, Dept Hlth, New Orleans, LA USA

[5] Louisiana State Univ, Sch Vet Med, Baton Rouge, LA 70803 USA

[6] Louisiana State Univ, Sch Publ Hlth, Dept Epidemiol, New Orleans, LA USA

来源：

VECTOR-BORNE AND ZOONOTIC DISEASES | 2020年 / 20卷 / 07期

关键词：

Chagas disease; Trypanosoma cruzi; Procyon lotor; raccoons; Louisiana; AUTOCHTHONOUS CHAGAS-DISEASE; INFECTION PREVALENCE; KISSING BUGS; TEXAS; DNA; TRANSMISSION; VECTORS; HUMANS;

D O I：

10.1089/vbz.2019.2559

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Raccoons are an important reservoir for Trypanosoma cruzi infection, having been reported to maintain a high and lengthy parasitemia. Although raccoon populations have historically been abundant in Louisiana, the prevalence rate of T. cruzi infection in raccoons in this state is unknown. Here, we tested raccoon tissues from two urban areas in Louisiana, namely Orleans Parish (OP) and East Baton Rouge Parish (EBRP), to investigate prevalence in these areas using direct detection through polymerase chain reaction. Overall, 33.6% of raccoons tested were positive. The prevalence in OP (42.9%) was significantly higher than the prevalence in EBRP (23.2%). There was no significant difference in prevalence between sexes or based on age, but there was a significant difference in infection prevalence based on season of trapping. These results suggest the importance of raccoons as a reservoir host, maintaining T. cruzi infection and potentially posing a risk to human health.

引用

页码：535 / 540

页数：6

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