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

ABSTRACT

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)

RESUMO

Epidemiológica de Chapecó. Os dados de recipientes positivos para Aedes aegypti na Vigilância em Saúde Ambiental do município. Em 2015 e 2016 Chapecó registrou 819 casos autóctones de dengue. Apresentou relação significativa entre o número de focos do vetor e as temperaturas mínimas e máximas, assim como os casos de dengue com o tamanho populacional dos bairros avaliados. Este estudo indicou influência multifatorial sobre a proliferação do mosquito e a ocorrência da transmissão viral de dengue no município de Chapecó. Reforça a necessidade de uma abordagem interdisciplinar de ações de prevenção e controle desta endemia (AU)