Dengue fever is a mosquito-borne viral disease that has rapidly spread in all regions of WHO in recent years. Transmitted by female mosquitoes mainly of the species Aedes. This mosquito also transmits chikungunya, yellow fever, and Zika infection.
As per Wikipedia Dengue virus is the cause of dengue fever. It is a mosquito-borne, single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus.