About Mosquitoes

Mosquitoes can spread serious diseases, like West Nile Virus. Most infections are mild and produce only headache and fever. In severe cases – especially in the elderly – the virus infects the brain, causing confusion, paralysis, coma and even death. People get the disease through the bite of an infected mosquito. We can all take steps to keep mosquitoes away from where we live and keep them from biting us.

Protect Your Family From Mosquitoes

Mosquitoes lay eggs near water, so to prevent mosquitoes from infesting your yard or home, get rid of any standing water. This should be done at least once a week and any time after it rains by tipping out containers that hold water such as buckets, planters, and trash containers.

Make sure any open windows or doors have screens to keep mosquitoes out. You can also take steps to keep mosquitoes from biting you and your family, such as wearing long sleeves and using insect repellent that contains the following active ingredients:

Prevent Mosquito Bites (English) | Prevenir Mordeduras (Español)

Prevent Infestations (English) | Prevenir Infestaciones (Español)

Information on West Nile Virus

Information and Resources for Zika

Report Mosquito Infestations

To report mosquito infestations or ask questions, call your local Vector Control District. You can look up contact information for your local Vector Control District.

Map of Vector Control Districts

Climate Change and Mosquitoes

Climate change creates favorable conditions for mosquitoes, like warmer weather and bigger rainstorms. Visit our Climate Helath page to learn more.

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