Abstract
The dengue fever remains to be a disease of serious public health concern, and its incidence has increased in the past decades. This study aimed to characterize the epidemiological incidence of dengue in the period 2001-2010. This is an epidemiological study of dengue in the municipality of Aracaju, state of Sergipe, in the period between 2001 and 2010, whose data were obtained from the Information System of Diseases Notifications. A descriptive analysis of the number of confirmed cases of dengue, according to year, semester, sanitary district, age, and sex, was performed. There were 16,462 confirmed cases, especially in 2008, which obtained the highest incidence of the disease, with 10,485 confirmed cases. The first semester obtained the highest registration of cases during the years of research; this was predominated by females between 15 and 49 years old. With regard to the territorial distribution, the second district of the municipality obtained the highest number of cases. In 2008, in the City of Aracaju, SE, a significant increase in the proportion of dengue cases compared with other years was verified. However, a fast decline in the other years was observed, possibly because of the intensification of preventive actions to combat the mosquito that transmits the dengue virus.
Highlights
The dengue fever remains to be a disease of serious public health concern, and its incidence has increased in the past decades
The gravity of infections caused by the dengue virus, as well as the strength of its reemergence in several continents, represented by the increase of its incidence in the last decades has placed this disease as a priority in the agenda of national and international institutions responsible for health protection of the population, representing a challenge for public health[1]
For the analysis of the association between the number of dengue cases and the district of occurrence, 222 cases were excluded because of the inexistence of address or mismatched address according to the cartographic base
Summary
The dengue fever remains to be a disease of serious public health concern, and its incidence has increased in the past decades. Could be transmitted by insect bites with urban habits; its principal vector is the Aedes aegypti[4] Other factors, such as temperature and rainfall, could affect its survival, the vector reproduction, and the changes in its distribution and density[5]. It appears as a febrile acute illness and presents an ample clinical spectrum, from oligosymptomatic forms to several clinical cases with bleeding and shock, which can evolve to death[4]. The individuals of both sexes are affected, yet there are studies that show a higher incidence in women than in men. People of all ages are susceptible to acquire this infection; the highest incidence of cases in older age groups is a pattern observed in undamaged areas[6]
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