West Nile virus is the most common mosquito-borne disease that affects residents in Los Angeles County. Public health agencies detect West Nile virus every year in L.A. County which means it's endemic and found naturally in our city environments.
Large-scale adult mosquito control applications are reserved for severe conditions, including abnormal mosquito population spikes and public health emergencies.
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Anais Medina Diaz, Public Information Officer
Mary-Joy Coburn, Director of Communications