News & Updates

West Nile Virus Case Reported in Tulare County Tulare County Health and Human Services Agency - Tulare County Media Contact: Carrie Montero, Public Information Officer 6/23/25 Community Members Should Take Precautions and Protect Themselves Tulare County Public Health...

Press Release - 6/26/2025 West Nile Virus Activity Remains High in Tulare County District Urges Collective Action to Reduce Risk and Limit Transmission VISALIA, CA — The Delta Mosquito and Vector Control District is experiencing a particularly active season for West...

FOR IMMEDIATE RELEASE 4/01/2024 Contact: Paul Harlien Delta Mosquito and Vector Control District 1737 West Houston Ave. Visalia, CA 93291   Delta Mosquito and Vector Control District Recognized as “District of Distinction” Visalia, CA — The Delta Mosquito and...

Visalia, CA – Due to Aedes aegypti abundance, one location in Visalia will be treated with a wide area larvicide. These locations had the highest numbers of Ae. aegypti caught compared to all other locations during the same time period. These treatments began the week...

Visalia, CA, 07/05/2023 West Nile virus (WNV) Detection in Mosquito Samples from Delta Mosquito and Vector Control District Visalia, CA: The Delta Mosquito and Vector Control District is reporting mosquito samples tested positive for WNV. 11 mosquito samples were...

On October 4, 2022, the State Water Board Executive Director approved an amendment to Water Quality Order 2016-0039-DWQ to add pyriproxyfen to the list of approved active ingredients in the permit and to add all pertaining findings, monitoring and reporting...

Delta Mosquito and Vector Control District (DMVCD) has scheduled an adult mosquito treatment in north Visalia because of elevated West Nile virus (WNV) activity in mosquitoes. The treatments will take place between 2:00 AM and 6:00 AM on June 21, 2023, weather...

Delta MVCD – Oxitec Public Educational Webinar #5: Oxitec’s Technology Part 2:  History, Partnerships, and a Decade of Results Around the World Tuesday, August 23rd, 5:00 pm PT This Delta MVCD - Oxitec Public Educational Webinar, our fifth in a monthly series to...

Delta MVCD – Oxitec Public Educational Webinar #4: Oxitec’s Technology Part 1: How It Works and Why It Was Made to Empower Local Communities Tuesday 26 July, 2022. 5pm PT This Delta MVCD - Oxitec Public Educational Webinar, our fourth in a monthly series to continue...