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Influenza like illness sentinel surveillance in one hospital in Medellin, Colombia. 2007–2012 / Sergio Jaramillo Velásquez ; David Andrés Espinal Botero ; Jorge Hernando Donado Gómez
Título : Influenza like illness sentinel surveillance in one hospital in Medellin, Colombia. 2007–2012 Tipo de documento : documento electrónico Autores : Sergio Jaramillo Velásquez, ; David Andrés Espinal Botero, ; Jorge Hernando Donado Gómez, Fecha de publicación : 2015 Títulos uniformes : Influenza and Other Respiratory Viruses Idioma : Inglés (eng) Palabras clave : Influenza Medellin respiratory viruses surveillance Resumen : Background: The city of Medellin in Colombia has almost no documentation of the causes of acute respiratory infections (ARIs). As part of an ongoing collaboration, we conducted an epidemiologic surveillance for influenza and other respiratory viruses. It described the influenza strains that were circulating in the region along with their distribution over time, and performing molecular characterization to some of those strains. This will contribute to the knowledge of local and national epidemiology. Objectives: To analyze viral etiologic agents associated with influenza like illness (ILI) in participants reporting to one General hospital in Medelllin, Colombia. Results: From January 2007 to December 2012, a total of 2039 participants were enrolled. Among them, 1120 (54·9%) were male and 1364 (69%) were under the age of five. Only 124 (6%) were older than the age of 15. From all 2039 participants, 1040 samples were diagnosed by either isolation or RT‐PCR. One or more respiratory viruses were found in 737 (36%) participants. Of those, 426 (57·8%) got influenza A or B. Adenoviral and parainfluenza infections represented 19·1% and 14·9% of viral infections, respectively. Influenza A was detected almost throughout the whole year except for the first quarter of 2010, right after the 2009 influenza A pandemic. Influenza B was detected in 2008, 2010, and 2012 with no pattern detected. During 2008 and 2010, both types circulated in about the same proportion. Unusually, in many months of 2012, the proportion of influenza B infections was higher than influenza A (ranging between 30% and 42%). The higher proportion of adenovirus was mainly detected in the last quarter of years 2007 and 2010. Adenoviral cases are more frequent in participants under the age of four. Conclusions: The phylogenetic analysis of influenza viruses shows that only in the case of influenza A/H1N1, the circulating strains totally coincide with the vaccine strains each year. Mención de responsabilidad : Ana Eugenia Arango, Sergio Jaramillo, Juan Perez, Julia S Ampuero, David Espinal, Jorge Donado, Vidal Felices, Josefina Garcia, Alberto Laguna-Torres Referencia : Influenza Other Respir Viruses. 2015 Jan;9(1):1-13. DOI (Digital Object Identifier) : 10.1111/irv.12271 PMID : 25100179 Derechos de uso : CC BY En línea : https://onlinelibrary.wiley.com/doi/full/10.1111/irv.12271 Enlace permanente : https://hospitalpablotobon.cloudbiteca.com/pmb/opac_css/index.php?lvl=notice_display&id=3868 Influenza like illness sentinel surveillance in one hospital in Medellin, Colombia. 2007–2012 [documento electrónico] / Sergio Jaramillo Velásquez, ; David Andrés Espinal Botero, ; Jorge Hernando Donado Gómez, . - 2015.
Obra : Influenza and Other Respiratory Viruses
Idioma : Inglés (eng)
Palabras clave : Influenza Medellin respiratory viruses surveillance Resumen : Background: The city of Medellin in Colombia has almost no documentation of the causes of acute respiratory infections (ARIs). As part of an ongoing collaboration, we conducted an epidemiologic surveillance for influenza and other respiratory viruses. It described the influenza strains that were circulating in the region along with their distribution over time, and performing molecular characterization to some of those strains. This will contribute to the knowledge of local and national epidemiology. Objectives: To analyze viral etiologic agents associated with influenza like illness (ILI) in participants reporting to one General hospital in Medelllin, Colombia. Results: From January 2007 to December 2012, a total of 2039 participants were enrolled. Among them, 1120 (54·9%) were male and 1364 (69%) were under the age of five. Only 124 (6%) were older than the age of 15. From all 2039 participants, 1040 samples were diagnosed by either isolation or RT‐PCR. One or more respiratory viruses were found in 737 (36%) participants. Of those, 426 (57·8%) got influenza A or B. Adenoviral and parainfluenza infections represented 19·1% and 14·9% of viral infections, respectively. Influenza A was detected almost throughout the whole year except for the first quarter of 2010, right after the 2009 influenza A pandemic. Influenza B was detected in 2008, 2010, and 2012 with no pattern detected. During 2008 and 2010, both types circulated in about the same proportion. Unusually, in many months of 2012, the proportion of influenza B infections was higher than influenza A (ranging between 30% and 42%). The higher proportion of adenovirus was mainly detected in the last quarter of years 2007 and 2010. Adenoviral cases are more frequent in participants under the age of four. Conclusions: The phylogenetic analysis of influenza viruses shows that only in the case of influenza A/H1N1, the circulating strains totally coincide with the vaccine strains each year. Mención de responsabilidad : Ana Eugenia Arango, Sergio Jaramillo, Juan Perez, Julia S Ampuero, David Espinal, Jorge Donado, Vidal Felices, Josefina Garcia, Alberto Laguna-Torres Referencia : Influenza Other Respir Viruses. 2015 Jan;9(1):1-13. DOI (Digital Object Identifier) : 10.1111/irv.12271 PMID : 25100179 Derechos de uso : CC BY En línea : https://onlinelibrary.wiley.com/doi/full/10.1111/irv.12271 Enlace permanente : https://hospitalpablotobon.cloudbiteca.com/pmb/opac_css/index.php?lvl=notice_display&id=3868 Reserva
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Código de barras Número de Ubicación Tipo de medio Ubicación Sección Estado DD000448 AC-2015-001 Archivo digital Producción Científica Artículos científicos Disponible Documentos electrónicos
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