Mosquito-borne viruses, such as West Nile and St. Louis encephalitis, are transmitted to people by the bite of an infected mosquito. Anyone who feels unwell the days and weeks after being bit by a mosquito should contact their health care provider. Preventing mosquito breeding and mosquito bites is the best defense against mosquito threats.
Prevent mosquito bites:
Prevent mosquitoes around your home:
What repellent is right for me?
The Environmental Protection Agency (EPA) has an online tool in both English and Spanish to help find the best product for you and your family.
Please contact the District at (760) 342-8287 or online to report mosquito problems, request mosquitofish, and report neglected pools or standing water where mosquitoes breed.
Learn more about repellents in this FAQ.