CHAGAS DISEASE IN RURAL AREAS OF CHACO PROVINCE, ARGENTINA: EPIDEMIOLOGIC SURVEY IN HUMANS, RESERVOIRS, AND VECTORS

We studied the seroprevalence of antibodies against Trypanosoma cruzi in the human population along with domiciliary infestation by triatomine bugs in an area endemic for Chagas disease in the Chaco Province of Argentina. In addition, we carried out parasitologic surveys in patients, dogs, wild mamm...

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Veröffentlicht in:The American journal of tropical medicine and hygiene 2004-11, Vol.71 (5), p.590-593
Hauptverfasser: DIOSQUE, PATRICIO, PADILLA, ANGEL MARCELO, CIMINO, RUBEN OSCAR, CARDOZO, RUBEN MARINO, NEGRETTE, OLGA SANCHEZ, MARCO, JORGE DIEGO, ZACCA, ROSA, MEZA, CARLOS, JUAREZ, ALIGIO, ROJO, HUGO, REY, RICARDO, CORRALES, ROSA MILAGROS, NASSER, JULIO RUBEN, BASOMBRIO, MIGUEL ANGEL
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container_start_page 590
container_title The American journal of tropical medicine and hygiene
container_volume 71
creator DIOSQUE, PATRICIO
PADILLA, ANGEL MARCELO
CIMINO, RUBEN OSCAR
CARDOZO, RUBEN MARINO
NEGRETTE, OLGA SANCHEZ
MARCO, JORGE DIEGO
ZACCA, ROSA
MEZA, CARLOS
JUAREZ, ALIGIO
ROJO, HUGO
REY, RICARDO
CORRALES, ROSA MILAGROS
NASSER, JULIO RUBEN
BASOMBRIO, MIGUEL ANGEL
description We studied the seroprevalence of antibodies against Trypanosoma cruzi in the human population along with domiciliary infestation by triatomine bugs in an area endemic for Chagas disease in the Chaco Province of Argentina. In addition, we carried out parasitologic surveys in patients, dogs, wild mammals, and vectors. The mean seroprevalence in humans was 27.81% (109 of 392) and 24.14% (63 of 261) in 1-15-year-old children. The minimum domiciliary infestation rate was 13.33%, with certain areas reaching 53.85%. The prevalence was 15.09% (16 of 106) in dogs and 35.71% (10 of 28) in opossums. Infection with T. cruzi was detected in 30.10% (59 of 196) of the Triatoma infestans tested. Compared with nationwide studies, our data suggest that 1) there are zones requiring immediate sanitary action, and 2) nationwide estimates are based on very heterogeneous epidemiologic situations. This heterogeneity emphasizes the importance of in-depth studies of restricted areas to provide additional information for a better understanding of the present status of Chagas disease in Argentina.
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subjects Adolescent
Adult
Aged
Aged, 80 and over
Animals
Animals, Wild - parasitology
Antibodies, Protozoan - analysis
Argentina - epidemiology
Biological and medical sciences
Chagas Disease - blood
Chagas Disease - epidemiology
Chagas Disease - etiology
Chagas Disease - transmission
Child
Child, Preschool
Disease Reservoirs
Disease Vectors
Dogs - parasitology
Female
Human protozoal diseases
Humans
Infant
Infectious diseases
Life Sciences
Male
Medical sciences
Middle Aged
Parasitic diseases
Protozoal diseases
Rural Health
Santé publique et épidémiologie
Seroepidemiologic Studies
Triatoma infestans
Trypanosoma cruzi
Trypanosoma cruzi - immunology
Trypanosoma cruzi - isolation & purification
Trypanosomiasis
title CHAGAS DISEASE IN RURAL AREAS OF CHACO PROVINCE, ARGENTINA: EPIDEMIOLOGIC SURVEY IN HUMANS, RESERVOIRS, AND VECTORS
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