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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Molecular characterization of the viral structural protein genes in the first outbreak of dengue virus type 2 in Hunan Province, inland China in 2018

Fig. 1

Geographic relationships between Hunan Province and other dengue outbreak areas in China. The intensity of the colour in the figure indicates the number of dengue cases; the darker the colour is, the more dengue cases there were in the area. The map of China shows the distribution of dengue cases in China in the past 15 years (from 2004 to 2018), and the map of Hunan Province shows the distribution of dengue cases in 2018. As visible in the figure, Hunan Province is surrounded by areas with a high incidence of dengue fever, such as Yunnan, Guangxi, Guangdong, Fujian, Zhejiang, Hainan and Taiwan. Moreover, the central area of this dengue outbreak was Qiyang County in Hunan, which is the closest geographical location in Hunan adjacent to Guangxi and Guangdong. This map was draw by authors according to the reference data

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