Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas

Background: The efficacy of influenza vaccination programs depends on the antigenic similitude between vaccine and the influenza virus circulating in the community. Therefore the surveillance of clinical activity and antigenic features of influenza virus is of utmost importance. Aim: To perform a sy...

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Autores principales:	Lagos Z,Rosanna, Avendaño C,Luis F, Levine,Myron M
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 1999
Materias:	Adenoviridae Influenza Parainfluenza virus type Respiratory tract infections Viruses
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999000900005
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spelling	oai:scielo:S0034-988719990009000051999-12-13Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudasLagos Z,RosannaAvendaño C,Luis FLevine,Myron M Adenoviridae Influenza Parainfluenza virus type Respiratory tract infections Viruses Background: The efficacy of influenza vaccination programs depends on the antigenic similitude between vaccine and the influenza virus circulating in the community. Therefore the surveillance of clinical activity and antigenic features of influenza virus is of utmost importance. Aim: To perform a systematic surveillance of clinical activity and antigenic characteristics of influenza virus. Material and methods: Since 1996 and during the cold months (May to September), 20 samples of upper respiratory secretions per week, were obtained from children with acute respiratory infections consulting to the emergency room of a public hospital. Using indirect immunofluorescence and cellular cultures, the presence of influenza, syncytial respiratory, parainfluenza and adenovirus was assessed. The weekly number of consultations in the emergency room and the number of hospital discharges due to acute respiratory infections, were registered. Results: Influenza and syncytial respiratory were the predominant virus detected since 1996. In 1996 and 1998, the weekly detection of influenza virus followed a single seasonal curve. The maximal weekly positively results reached 85 and 80% of the obtained samples, respectively. During 1997, two curves of influenza virus activity were observed, but none reached more than 50% of weekly positive samples. The demand for outpatient care evolved in parallel to the weekly detection of influenza virus. The hospital discharges due to acute respiratory infections paralleled the syncytial respiratory virus detection rates. Conclusions: This surveillance model is effective for the detection of influenza and other virus responsible for acute respiratory infections and their relationship with the demand for health care during the cold months.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.127 n.9 19991999-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999000900005es10.4067/S0034-98871999000900005
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Adenoviridae Influenza Parainfluenza virus type Respiratory tract infections Viruses
spellingShingle	Adenoviridae Influenza Parainfluenza virus type Respiratory tract infections Viruses Lagos Z,Rosanna Avendaño C,Luis F Levine,Myron M Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
description	Background: The efficacy of influenza vaccination programs depends on the antigenic similitude between vaccine and the influenza virus circulating in the community. Therefore the surveillance of clinical activity and antigenic features of influenza virus is of utmost importance. Aim: To perform a systematic surveillance of clinical activity and antigenic characteristics of influenza virus. Material and methods: Since 1996 and during the cold months (May to September), 20 samples of upper respiratory secretions per week, were obtained from children with acute respiratory infections consulting to the emergency room of a public hospital. Using indirect immunofluorescence and cellular cultures, the presence of influenza, syncytial respiratory, parainfluenza and adenovirus was assessed. The weekly number of consultations in the emergency room and the number of hospital discharges due to acute respiratory infections, were registered. Results: Influenza and syncytial respiratory were the predominant virus detected since 1996. In 1996 and 1998, the weekly detection of influenza virus followed a single seasonal curve. The maximal weekly positively results reached 85 and 80% of the obtained samples, respectively. During 1997, two curves of influenza virus activity were observed, but none reached more than 50% of weekly positive samples. The demand for outpatient care evolved in parallel to the weekly detection of influenza virus. The hospital discharges due to acute respiratory infections paralleled the syncytial respiratory virus detection rates. Conclusions: This surveillance model is effective for the detection of influenza and other virus responsible for acute respiratory infections and their relationship with the demand for health care during the cold months.
author	Lagos Z,Rosanna Avendaño C,Luis F Levine,Myron M
author_facet	Lagos Z,Rosanna Avendaño C,Luis F Levine,Myron M
author_sort	Lagos Z,Rosanna
title	Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
title_short	Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
title_full	Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
title_fullStr	Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
title_full_unstemmed	Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
title_sort	vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas
publisher	Sociedad Médica de Santiago
publishDate	1999
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98871999000900005
work_keys_str_mv	AT lagoszrosanna vigilanciasistematicadevirusinfluenzarespiratoriosincicialparainfluenzayadenovirusenninosambulatoriosconinfeccionesrespiratoriasagudas AT avendanocluisf vigilanciasistematicadevirusinfluenzarespiratoriosincicialparainfluenzayadenovirusenninosambulatoriosconinfeccionesrespiratoriasagudas AT levinemyronm vigilanciasistematicadevirusinfluenzarespiratoriosincicialparainfluenzayadenovirusenninosambulatoriosconinfeccionesrespiratoriasagudas
_version_	1718435879427506176

Vigilancia sistemática de virus influenza, respiratorio sincicial, parainfluenza y adenovirus, en niños ambulatorios con infecciones respiratorias agudas

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