Objective To investigate the natural infection with Dengue virus(DENV)and Japanese encephalitis virus(JEV)in mosquitoes in Jinghong city,Xishuangbanna prefecture,Yunnan province,China,and provide the scientific basis for its prevention and control.Methods Mosquito samples were collected from urban area of Jinghong in August and September 2015.Mosquito samples were tested for the nucleic acid of DENV and JEV by RT-PCR assay,and positive specimens were sequenced for C/Pr M gene for homology and phylogenetic a...