The dengue virus is spread through a human-to-mosquito-to-human cycle of transmission ... i> become dengue vectors after feeding on the blood of a person infected with the dengue virus.

Blood donors should be screened for dengue during large outbreaks, health workers have warned, amid concerns Brazil is facing a “hidden epidemic” of transfusion-transmitted infections.

When a mosquito bites a person who has dengue virus in his or her blood, the mosquito becomes ... and mosquitoes are necessary for transmission of the dengue virus. The dengue virus is spread ...