Symptoms Of Dengue In Dogs . It'll protect you from dengue fever, a virus spread through mosquito bites. Mild dengue fever causes a high fever Many people, especially children and teens, may experience no signs or symptoms during a mild case of dengue fever. Dengue Fever Infographics. Vector Illustration ... (Jose Lowe) Mild dengue fever causes a high fever Many people, especially children and teens, may experience no signs or symptoms during a mild case of dengue fever. Dengue fever is a severe, flu-like illness that affects infants, young children and adults, but seldom causes death. Dengue fever is a viral infection caused by the dengue virus (DENV), which is carried by the #Dengue is a viral infection and it is most common during the #rainyseason. Dengue fever has never been acquired in New Zealand, as New Zealand does not have the variety of mosquito that carries the virus. Dengue is the most common arthropod-borne viral (arboviral) illness in hum...