2015
DOI: 10.1016/j.rchipe.2015.04.026
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Incidencia de egresos por neumonía en niños menores de 24 meses antes y después de la implementación de la vacuna conjugada antineumocócica 10-valente en el Programa Nacional de Inmunizaciones de Chile

Abstract: This study confirms information previously obtained in other countries, which show a decrease in the incidence of pneumonia associated with the implementation of a pneumococcal vaccine at the population level. Ongoing surveillance is required to evaluate if this effect is maintained over time and expands to older populations.

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Cited by 9 publications
(6 citation statements)
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References 12 publications
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“…After vaccine introduction, there were no reported cases of death in children with a diagnosis of pneumonia compared with a case fatality of 14.6% in the pre-vaccination period. The case-fatality rate was similar in the second period to that of other Latin American countries such as Chile and Brazil [16, 17]. Even though there is a clear trend to decreased fatality, several factors, such as inadequate disease registration and suboptimal microbiological identification could have affected pneumococcal strains isolation and lack of PCV7 serotypes decline.…”
Section: Discussionmentioning
confidence: 82%
“…After vaccine introduction, there were no reported cases of death in children with a diagnosis of pneumonia compared with a case fatality of 14.6% in the pre-vaccination period. The case-fatality rate was similar in the second period to that of other Latin American countries such as Chile and Brazil [16, 17]. Even though there is a clear trend to decreased fatality, several factors, such as inadequate disease registration and suboptimal microbiological identification could have affected pneumococcal strains isolation and lack of PCV7 serotypes decline.…”
Section: Discussionmentioning
confidence: 82%
“…Un paciente se reportó como fallecido por meningitis, siendo la tasa de letalidad de 3,5%. Desde la introducción de la PCV-7 hubo una disminución de la letalidad del 22% al 7% entre 2006-2011 en Perú (6) , similar a lo reportado en Chile (16) . La disminución de la mortalidad se puede explicar por el mejoramiento en la cobertura de vacunación, acceso a servicios de salud y por la introducción de las vacunas conjugadas para neumococo en nuestro país.…”
Section: Discussionunclassified
“…Posterior a la introducción de PCV10 en el programa universal de vacunación en Chile en el año 2011, publicaciones por investigadores independientes, han mostrado una reducción en la incidencia, de egresos por neumonía en niños < 2 años, del 56% en un hospital público de referencia nacional 2 . Mientras que un estudio de casos y controles de base poblacional a nivel nacional, mostró una efectividad vacunal de 20,7% contra neumonía, probablemente bacteriana, de 71,6% contra muertes por neumonía, y de 34,8% contra muertes por todas las causas 3 .…”
Section: Sr Editorunclassified