Environmental factors associated to dengue fever occurrence in the Chapecó municipality, Santa Catarina State

Busato, Maria Assunta; Machado, Celita da Silva; Lutinski, Junir Antonio; Schabat, Francis Maira; Simões, Daniel Albeny; Siebel, Anna Maria; Baldissera, Ronei; Breaux, Jenifer Ann

This study aimed to evaluate the influence of environmental factors on the occurrence of dengue and the spatial distribution of the cases in the municipality of Chapecó, Santa Catarina State. Dengue cases were obtained from the Epidemiological Surveillance Department of Santa Catarina and Epidemiological Surveillance of Chapecó. The data of positive containers for Aedes aegypti were obtained from the Environmental Health Surveillance of the municipality. In 2015 and 2016, Chapecó registered 819 autochthonous cases of dengue. It showed a significant relationship between the number of foci of the vector and the minimum and maximum temperatures, as well as the cases of dengue and the population size of the neighborhoods evaluated. This study indicated a multifactorial influence on mosquito proliferation and the occurrence of viral transmission of dengue in the municipality of Chapecó. It reinforces the need of an interdisciplinary approach to prevent and control this endemic disease (AU)

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Environmental factors associated to dengue fever occurrence in the Chapecó municipality, Santa Catarina State / Fatores ambientais associados à ocorrência de dengue no município de Chapecó, Estado de Santa Catarina

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