Mosquitoes Carrying Dengue, Yellow Fever Viruses Spotted In State
Mosquitoes carrying the yellow fever and dengue diseases spotted around the state. Vector control experts are trying to kill them off before the diseases attack people. They are going door-to-door to hunt for signs of Aedes aegypti. The mosquito carrying diseases were spotted in San Mateo County in August. Later it was seen in two other counties in California.