Yellow fever is transmitted by

Yellow fever is transmitted by Ades aegypti.
Yellow fever is a viral disease of typically short duration. In most cases, symptoms include fever, chills, loss of appetite, nausea, muscle pains particularly in the back and headaches.
The disease is caused by the yellow fever virus and is spread by the bite of an infected mosquito, primarily by Aedes aegypti, a type of mosquito found throughout the tropics and subtropics.