SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA

A seroepidemiological study on Chagas disease was undertaken in 281 individuals with age ranging from 3 to 75 years in the rural locality of Caballito, Simon Planas Municipality, Lara State, Venezuela (9º 45´´ LN - 69º 15´´ LW). One hundred and thirty one were males (46,6%) and 150 females (53,4%)....

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Autores principales:	TRAVIEZO,LUIS E., BONFANTE-GARRIDO,RAFAEL
Lenguaje:	English
Publicado:	Sociedad Chilena de Parasitología 2004
Materias:	Seroepidemiological study Chagas disease Rhodnius prolixus Venezuela
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-77122004000100009
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spelling	oai:scielo:S0717-771220040001000092004-07-28SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELATRAVIEZO,LUIS E.BONFANTE-GARRIDO,RAFAEL Seroepidemiological study Chagas disease Rhodnius prolixus Venezuela A seroepidemiological study on Chagas disease was undertaken in 281 individuals with age ranging from 3 to 75 years in the rural locality of Caballito, Simon Planas Municipality, Lara State, Venezuela (9º 45´´ LN - 69º 15´´ LW). One hundred and thirty one were males (46,6%) and 150 females (53,4%). Blood samples were obtained from each of the patients by venous puncture and serum was separated. The presence of specific circulating antibodies was quantitatively determined by indirect fluorescence antibody test, using as antigens epimastigotes of a local strain of Trypanosoma cruzi and, as a control, promastigotes of Leishmania braziliensis to detect cross reactions. As a conjugate was used anti human IgG labeled with fluoresceine. The reaction was considered as positive with titers 1: 8 or over. Sixty-eight (24,2%) had circulating antibody to T. cruzi and 34 (12%) to L. braziliensis. Most of the positive results were found in persons over 20 years old, but the highest results were found in the group from six to ten years. The Strout technique was negative in all of the cases. One hundred and six specimens of Rhodnius prolixus were captured, 46 adults and 60 nymphs, out of which 32 (30,2%) were positive to T. cruzi. All of the positive persons live in huts all made with wall of earth, 5 (9,4%) besides, had dry palm leaves roofs and 46 (86,8%) roofs were made with zinc laminas. 50 (94,3 %) of the surveyed inhabitants state to know the vector that they call popularly «chipo»info:eu-repo/semantics/openAccessSociedad Chilena de ParasitologíaParasitología latinoamericana v.59 n.1-2 20042004-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-77122004000100009en10.4067/S0717-77122004000100009
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Seroepidemiological study Chagas disease Rhodnius prolixus Venezuela
spellingShingle	Seroepidemiological study Chagas disease Rhodnius prolixus Venezuela TRAVIEZO,LUIS E. BONFANTE-GARRIDO,RAFAEL SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA
description	A seroepidemiological study on Chagas disease was undertaken in 281 individuals with age ranging from 3 to 75 years in the rural locality of Caballito, Simon Planas Municipality, Lara State, Venezuela (9º 45´´ LN - 69º 15´´ LW). One hundred and thirty one were males (46,6%) and 150 females (53,4%). Blood samples were obtained from each of the patients by venous puncture and serum was separated. The presence of specific circulating antibodies was quantitatively determined by indirect fluorescence antibody test, using as antigens epimastigotes of a local strain of Trypanosoma cruzi and, as a control, promastigotes of Leishmania braziliensis to detect cross reactions. As a conjugate was used anti human IgG labeled with fluoresceine. The reaction was considered as positive with titers 1: 8 or over. Sixty-eight (24,2%) had circulating antibody to T. cruzi and 34 (12%) to L. braziliensis. Most of the positive results were found in persons over 20 years old, but the highest results were found in the group from six to ten years. The Strout technique was negative in all of the cases. One hundred and six specimens of Rhodnius prolixus were captured, 46 adults and 60 nymphs, out of which 32 (30,2%) were positive to T. cruzi. All of the positive persons live in huts all made with wall of earth, 5 (9,4%) besides, had dry palm leaves roofs and 46 (86,8%) roofs were made with zinc laminas. 50 (94,3 %) of the surveyed inhabitants state to know the vector that they call popularly «chipo»
author	TRAVIEZO,LUIS E. BONFANTE-GARRIDO,RAFAEL
author_facet	TRAVIEZO,LUIS E. BONFANTE-GARRIDO,RAFAEL
author_sort	TRAVIEZO,LUIS E.
title	SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA
title_short	SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA
title_full	SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA
title_fullStr	SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA
title_full_unstemmed	SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA
title_sort	seroepidemiological study on chagas disease in the locality of caballito, simon planas municipality, lara state, venezuela
publisher	Sociedad Chilena de Parasitología
publishDate	2004
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-77122004000100009
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SEROEPIDEMIOLOGICAL STUDY ON CHAGAS DISEASE IN THE LOCALITY OF CABALLITO, SIMON PLANAS MUNICIPALITY, LARA STATE, VENEZUELA

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