Spatiotemporal Dispersion of Dengue Fever in a Municipality of São Paulo State, Brazil
Keywords:
dengue; epidemiology; arboviral disease; incidence.Abstract
Introduction: Dengue is an acute infectious disease with varying severity and clinical presentations. It is the most important arbovirus, exposing nearly one-third of the world population to the risk of infection. From the 1990s to the present day, the state of São Paulo has experienced epidemics of the disease, with the presence of all four serotypes, with small and medium-sized municipalities accounting for the largest share of reported cases.
Objective: To evaluate the epidemiological profile in a medium-sized municipality like Marília city, in the state of São Paulo, Brazil, identifying areas of higher incidence in order to facilitate control and prevention measures.
Methods: Data from SINAN (2000-2006), SINANNET (2007-2013) and SINAN Online (2014-2020) provided by the Municipal Health Secretaria were analyzed and stratified by CNES and year of notification.
Results: The seasonality of the dengue epidemic in Marília was observed, with the years 2007, 2010, 2013, 2015, 2019, and 2020 considered epidemic years, with 2007 and 2015 standing out as having the highest incidence rates. Nevertheless, only 2015 showed a significant difference in relation to the other years. The West macro-region showed a higher incidence without statistical significance between the years 2007, 2013, and 2015.
Conclusions: The West macro-region has greater socio environmental vulnerability and should be prioritized in public actions to improve the control of the arboviral disease. Thus, this macro-region stands out as a possible sentinel area in the municipality.
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