Spatial analysis of dengue cases and correlation with rainfall data in São Paulo from 2015 to 2016
DOI:
https://doi.org/10.24302/sma.v9i0.2292Abstract
Dengue virus is an arbovirus in the flavivirus family. There are four types of viruses: DEN (1, 2, 3, and 4), with DEN3 being the most severe. It is transmitted by Aedes aegypti. Clinical forms are Classical Dengue, Complicated Dengue and Dengue Hemorrhagic Fever. Brazil is responsible for 70% of cases of the disease in the Americas. The main was demarcate the locations with the highest number of dengue cases correlating with rainfall data in the state of São Paulo from 2015 to 2016. Prevalence was calculated in municipalities that recorded the highest number of cases associated with rainfall. For map editing the program Q GIS 2.18 was used. The state of São Paulo presented the highest number of cases in the country from 2015 to 2016 (1,688,688). The highest prevalences related to rainfall data were recorded in Onda Verde (17.989.9 / 1445.9mm); São Paulo (17.965.9 / 1819.4mm); Rio Claro (10,804.7 / 1435.0mm); Catanduva (8,915.2); Sorocaba (8,815.6 / 1476.3mm) and Campinas (5,766.2 / 1793,5mm). The municipalities with the highest number of registered cases were: Onda Verde, Sao Paulo, Rio Claro, Catanduva, Sorocaba and Campinas. The association between rainfall and viral serotype probably contributed to the high prevalence of the disease in 2015. That year the Southeast region experienced a water crisis and people stored rainwater in makeshift containers thus increasing the supply of mosquito breeding sites. Thus, it is very important that the public prevention policies increase and the public awareness about the measures to prevent vector mosquito breeding.
Keywords: Dengue. Aedes aegypti. Prevalence.
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