Epidemiological Alert, Regional Update on Dengue (17 March 2009)
Alerta Epidemiológica, Actualización sobre la situación Regional del dengue (17 marzo 2009)
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Dengue is an endemic disease in most of the countries of the Americas and, over the past 20 years, has shown sustained cycles of outbreaks every 3 to 5 years. Final case reports from 2008 are in the process of adjustment and review by the countries, which to date have reported 850,769 dengue cases, a figure representing a 5.5% reduction compared to the 900,754 cases reported in 2007. However, despite the decrease observed with regard to the total number of cases, there has been an increase in the number of deaths from dengue hemorrhagic fever (DHF) and acute forms of dengue. In 2008, there were 38,621 reported cases of DHF and acute forms of dengue, which corresponds to 46% of the increase compared to the 26,413 cases reported in 2007. Regarding deaths, in 2008 there were 584 reported fatalities from dengue: that is, 84% more than in 2007 (317). The Regional fatality rate1 was 1.5% in 2008, compared to 1.2% in 2007. El dengue es una enfermedad endémica en la mayor parte de los países de América, manteniéndose durante los últimos 20 años con brotes cíclicos cada 3 a 5 años. El cierre de la notificación de casos del 2008 está en proceso de ajuste y revisión por parte de los países, los que hasta la fecha han reportado 850.769 casos de dengue, cifra que representa una disminución de 5,5% en comparación con los 900.754 casos reportados en 2007. No obstante, a pesar del descenso observado en relación al número total de casos, se presentaron incrementos en el número de fallecidos por dengue hemorrágico y formas graves de dengue. En 2008, se reportaron 38.621 de dengue hemorrágico y formas graves de dengue, que corresponden a 46% de aumento en comparación con los 26.413 casos reportados en 2007. Con relación a las muertes, en 2008 se reportaron 584 fallecidos por dengue; es decir, 84% más que en 2007 (317). La tasa de letalidad regional1 fue de 1,5% en 2008, en comparación a 1,2% en 2007.
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