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Yellow Fever Mosquitoes Found in Downtown Vacaville
28 Jul
Summary
- Invasive mosquitoes capable of transmitting diseases were found in Vacaville.
- These mosquitoes bite during the daytime and spread yellow fever, dengue, Zika.
- Residents urged to eliminate standing water and seal window screens.

Invasive Aedes aegypti mosquitoes, notorious for transmitting serious diseases like yellow fever, have established a presence in Vacaville. Solano County Mosquito Abatement District confirmed the mosquitoes' location near Main and Cernon streets in the city's downtown area.
These mosquitoes pose a significant public health concern as they are active daytime biters and can spread yellow fever, dengue, Zika, and chikungunya. Solano County is among 28 California counties now affected by this invasive species.
City officials are urging residents to implement crucial preventative measures. These include draining any standing water from containers like flowerpots and tires, fixing leaks in faucets and sprinklers, and ensuring window and door screens are properly fitted and hole-free. Pool owners are also advised to maintain clean and circulating water.
For those who encounter mosquitoes biting during the day, contact the Solano County Mosquito Abatement District via email at solmad@solanomosquito.com or by calling 707-437-1116.