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Morbilidad por fiebres virales causadas por arbovirus en Venezuela, 2005-2009

Authors: Lemus-Espinoza, Druvic; De Sousa, Leonardo; Maniscalchi, María Teresa; Di Campli, Marianna; Lamas, Andrea; Valero, Christian;

Morbilidad por fiebres virales causadas por arbovirus en Venezuela, 2005-2009

Abstract

Resumen El presente trabajo epidemiológico, retrospectivo y de corte transversal estableció la morbilidad de las enfermedades producidas por arbovirus en Venezuela, para un periodo de 5 años, de 2005 a 2009. Se registraron 275.834 eventos de arbovirosis. Con mayor frecuencia fiebre dengue con 256.037 casos (92,8%), dengue hemorrágico (19.699; 7,1%), seguido por encefalitis equina venezolana (85; 0,03%), que se observó solo en los años 2005 y 2007, por último, fiebre amarilla con 13 eventos (0,005%), en los años 2006 y 2007. El estado con mayor número de casos fue Zulia (35.790) con 13% del total, seguido en orden de frecuencia por Aragua (18.437; 6,7%), Miranda (17.075; 6,2%) y Lara (16.130; 5,8%). La distribución por regiones, indicó a los Andes (estados Barinas, Mérida, Táchira y Trujillo) con la mayor proporción (51.606; 18,7%) y en segunda instancia la Centro-occidental (Falcón, Lara, Portuguesa y Yaracuy) (39.766; 14,4%). La mediana de incidencia de las arbovirosis para Venezuela (calculada por el método de Hodges y Lehmann) fue de 192,81 casos por 100.000 habitantes. Barinas, Guárico y Monagas ostentaron, respectivamente, las medianas más altas con 438,72, 405,64 y 390,93 por 100.000, mientras que por regiones administrativas, fueron los Llanos (365,55 por 100.000), Andes (318,02) y región Insular (292,37). La clasificación de las áreas de endemicidad por arbovirosis, según los percentiles 90, 75, 50 y 25, ordenó al país en: a) estados y regiones de muy alta endemicidad, b) alta endemicidad, c) mediana, d) baja y e) muy baja endemicidad. Palabras clave: Endemicidad, dengue, encefalitis equina, fiebre amarilla. Abstract The present epidemiological, retrospective and cross-sectional work established the morbidity of the diseases caused by arboviruses in Venezuela, for a period of 5 years, from 2005 to 2009. A total of 275,834 arboviral events were recorded. The most frequent disease was dengue fever with 256,037 cases (92.8%), followed by hemorrhagic dengue (19,699; 7.1%), and Venezuelan equine encephalitis (85; 0.03%), which was observed only in the years 2005 and 2007; finally, yellow fever with 13 events (0.005%), in 2006 and 2007. The state with the highest number of cases was Zulia (35,790) with 13% of the total, followed in order of frequency by Aragua (18,437; 6.7%), Miranda (17,075; 6.2%), and Lara (16,130; 5.8%). The distribution by regions indicated the Andes region (Barinas, Mérida, Táchira, Trujillo states) with the highest frequency of arboviruses (51,606; 18.7%), and in the second instance the Central-western region (Falcón, Lara, Portuguesa, Yaracuy) (39,766; 14.4%). The median incidence of arboviral infections for Venezuela (calculated by the Hodges and Lehmann method) was 192.81 cases per 100,000 inhabitants for the period evaluated. Barinas, Guárico and Monagas showed, respectively, the highest medians with 438.72, 405.64 and 390.93 cases per 100,000, while by administrative regions were the Llanos with 365.55 cases per 100,000, Andes (318.02) and Insular region (292.37). The classification of the areas of endemicity by arboviral diseases, according to the 90th, 75th, 50th, and 25th percentiles, ordered the country into: a) states and regions with very high endemicity, b) high endemicity, c) medium, d) low and e) very low endemicity. Key words: Endemicity, dengue, equine encephalitis, yellow fever.

Keywords

equine encephalitis, Endemicidad, encefalitis equina, fiebre amarilla, Endemicity, dengue, yellow fever

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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