ArboAlvo: stratification method for territorial receptivity to urban arboviruses
ABSTRACT OBJECTIVE To present the urban arboviruses (dengue, zika and chikungunya) stratification methodology by the territorial receptivity Index, an instrument for the surveillance and control of these diseases, which considers the heterogeneity of an intra-municipal territory. METHODS Ecological study that uses as unit of analysis the areas covered by health centers in Belo Horizonte. For the development of a territorial receptivity index, indicators of socio-environmental determination of urban arboviruses were selected in order to integrate the analysis of main components. The resulting components were weighted by the analytic hierarchy process and combined via map algebra. RESULTS The territorial receptivity index showed great heterogeneity of urban infrastructure conditions. The areas classified with high and very high receptivity correspond to approximately 33% of the occupied area and are mainly concentrated in the administrative planning regions of East, Northeast, North, West, and Barreiro, especially in areas surrounding the municipality. When the density of dengue cases and Aedes eggs, from 2016, were superimposed with the stratification by the index of territorial receptivity to urban arboviruses, areas of very high receptivity had a high density of cases and Aedes eggs – higher than that observed in other areas of the city, which corresponds to a very small percentage of the municipal territory (13.5%). CONCLUSION The analyses indicate the need for the development of adequate surveillance and control actions for each context, overcoming the logic of homogeneous allocation throughout the territory.
Main Authors: | Siqueira,Alexandre San Pedro, Praça,Heitor Levy Ferreira, Santos,Jefferson Pereira Caldas dos, Albuquerque,Hermano Gomes, Pereira,Leandro Vouga, Simões,Taynãna Cesar, Gusmão,Eduardo Viana Vieira, Pereira,Aline Aparecida Thomaz, Pimenta Júnior,Fabiano Geraldo, Nobre,Aline Araújo, Alves,Mariane Branco, Barcellos,Christovam, Carvalho,Marilia Sá, Sabroza,Paulo Chagastelles, Honório,Nildimar Alves |
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Format: | Digital revista |
Language: | English |
Published: |
Faculdade de Saúde Pública da Universidade de São Paulo
2022
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102022000100231 |
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