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Diagnóstico dos Casos de Dengue nas Capitais do Nordeste do Brasil entre 2000 e 2017

This work evaluated the dengue notifications number in Northeast Brazil (NEB) capitals between 2000 and 2017. For this, monthly data from Departamento de Informatica do Sistema Unico de Saude (DATASUS) submitted to the evaluation of descriptive and exploratory statistics were used. In addition, the occurrence number with the El Nino-Southern Oscillation (ENSO) events was evaluated. According to descriptive statistics results, the total notifications were 834,000 dengue fever notifications during the analyzed period with 33.3% (278,389 cases, with mean ± Standard Deviation of 1,288.8 ± 2485.0 cases) occurred in Fortaleza. In terms of annual totals, Fortaleza reappears as the city with the highest number of notifications with 39423 cases in 2016, followed by Recife and Salvador with 35,028 cases and 27,282 cases, respectively, both in 2002. In Fortaleza, the dengue notifications surpass 20 thousand annual cases in 6 of the 18 years analyzed. It was noticed a possible relation between dengue notifications with ENOS events, especially between the years 2002 (Recife and Salvador) and 2016 (Joao Pessoa) during El Nino, and in the years 2008 (Aracaju) and 2010-2012 (Fortaleza, Maceio, Sao Luis and Teresina), during La Nina. In monthly terms, it was verified that the highest number of notifications occurred at the end of summer and fall (between March and June months), during the rainy period with an emphasis in Fortaleza, which notified an average of 12 thousand notifications, with a peak in May, with 4.6 thousand notifications. Most of these notifications are associated with environmental factors associated with urban clutter and inadequate infrastructure that result in the proliferation of the mosquito.