Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile

In Chile, three Hantavirus seropositive rodent species (O longicaudatus, A olivaceus and A longipilis) are distributed from the Pacific coast to the Andes mountains and represent nearly 90% of the rodents captured in the Xth Region. Aim: To study the seroprevalence of Hantavirus among captured roden...

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Autores principales:	Murúa B,Roberto, Navarrete C,Maritza, Cádiz S,Rodrigo, Figueroa M,Rodolfo, Padula,Paula, Zaror C,Luis, Mansilla G,Rita, González L,Luz, Muñoz-Pedreros,Andrés
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2003
Materias:	Hantavirus infections Hantavirus pulmonary syndrome Rodent diseases
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872003000200006
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spelling	oai:scielo:S0034-988720030002000062005-11-22Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, ChileMurúa B,RobertoNavarrete C,MaritzaCádiz S,RodrigoFigueroa M,RodolfoPadula,PaulaZaror C,LuisMansilla G,RitaGonzález L,LuzMuñoz-Pedreros,Andrés Hantavirus infections Hantavirus pulmonary syndrome Rodent diseases In Chile, three Hantavirus seropositive rodent species (O longicaudatus, A olivaceus and A longipilis) are distributed from the Pacific coast to the Andes mountains and represent nearly 90% of the rodents captured in the Xth Region. Aim: To study the seroprevalence of Hantavirus among captured rodent species and its relationship with the appearance of human cases of pulmonary syndrome. Material and methods: From May 1998 to September 2001, 675 rodents were captured in the region. Serum samples were tested by ELISA for the presence of IgG antibodies against Andes and Sin Nombre virus. Sera from human cases with a suspected Hantavirus infection were analyzed for IgM antibodies against Black Lagoon virus and for IgG antibodies against Andes and Sin Nombre virus. Results: Twenty two of the 675 rodents were seropositive for the virus, 18 O longicaudatus and 4 A longipilis. Regional seroprevalence changed from 2.2% in 1998, 0.0% in 1999, 1.0% in 2000 and up to 7.1% in 2001. A total of 77 positive human cases were studied from 1998 to March 2002. Although there were positive cases in all seasons, data showed a spring-summer seasonal preponderance. A relationship between the flowering of "colihue" bushes and the increased values of rodent abundance, seroprevalence and positive animals was established. Conclusions: A dispersal movement of O longicaudatus to open habitats close to human outdoor activities during the dry season was confirmed (Rev Méd Chile 2003; 131: 169-76)info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.131 n.2 20032003-02-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872003000200006es10.4067/S0034-98872003000200006
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Hantavirus infections Hantavirus pulmonary syndrome Rodent diseases
spellingShingle	Hantavirus infections Hantavirus pulmonary syndrome Rodent diseases Murúa B,Roberto Navarrete C,Maritza Cádiz S,Rodrigo Figueroa M,Rodolfo Padula,Paula Zaror C,Luis Mansilla G,Rita González L,Luz Muñoz-Pedreros,Andrés Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile
description	In Chile, three Hantavirus seropositive rodent species (O longicaudatus, A olivaceus and A longipilis) are distributed from the Pacific coast to the Andes mountains and represent nearly 90% of the rodents captured in the Xth Region. Aim: To study the seroprevalence of Hantavirus among captured rodent species and its relationship with the appearance of human cases of pulmonary syndrome. Material and methods: From May 1998 to September 2001, 675 rodents were captured in the region. Serum samples were tested by ELISA for the presence of IgG antibodies against Andes and Sin Nombre virus. Sera from human cases with a suspected Hantavirus infection were analyzed for IgM antibodies against Black Lagoon virus and for IgG antibodies against Andes and Sin Nombre virus. Results: Twenty two of the 675 rodents were seropositive for the virus, 18 O longicaudatus and 4 A longipilis. Regional seroprevalence changed from 2.2% in 1998, 0.0% in 1999, 1.0% in 2000 and up to 7.1% in 2001. A total of 77 positive human cases were studied from 1998 to March 2002. Although there were positive cases in all seasons, data showed a spring-summer seasonal preponderance. A relationship between the flowering of "colihue" bushes and the increased values of rodent abundance, seroprevalence and positive animals was established. Conclusions: A dispersal movement of O longicaudatus to open habitats close to human outdoor activities during the dry season was confirmed (Rev Méd Chile 2003; 131: 169-76)
author	Murúa B,Roberto Navarrete C,Maritza Cádiz S,Rodrigo Figueroa M,Rodolfo Padula,Paula Zaror C,Luis Mansilla G,Rita González L,Luz Muñoz-Pedreros,Andrés
author_facet	Murúa B,Roberto Navarrete C,Maritza Cádiz S,Rodrigo Figueroa M,Rodolfo Padula,Paula Zaror C,Luis Mansilla G,Rita González L,Luz Muñoz-Pedreros,Andrés
author_sort	Murúa B,Roberto
title	Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile
title_short	Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile
title_full	Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile
title_fullStr	Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile
title_full_unstemmed	Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile
title_sort	síndrome pulmonar por hantavirus: situación de los roedores reservorios y la población humana en la décima región, chile
publisher	Sociedad Médica de Santiago
publishDate	2003
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872003000200006
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Síndrome pulmonar por Hantavirus: situación de los roedores reservorios y la población humana en la Décima Región, Chile

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