Epidemiological characteristics of dengue fever in Dong Nai province from 2016 to 2020

Abstract

We conducted a retrospective study of dengue hemorrhagic fever to collect dengue data during the period 2016 - 2020 to describe dengue epidemiological characteristics in Dong Nai. The results show that dengue fever circulated at a high rate with 1.490 cases/100.000 population and concentrated mainly in Nhon Trach and Long Thanh districts. There were 4 types of dengue virus circulating together in the period 2011 - 2016, but DEN-3 was not reported from 2017 to 2020. There is also temporal and spatial change in the prevalence of Dengue. Change of susceptible population due to immigration may serve as potential cause of Dengue epidemiological chage in Dong Nai in this period.