The Vector/Mosquito Control program of the Environmental Health Division performs active mosquito surveillance by trapping mosquitoes and sending them to the Texas Department of State Health Services Arbovirus Surveillance Lab for testing. The lab conducts tests for multiple mosquito-borne viruses. For more information on the lab, click here. You can find a list of the 2024 Positive Mosquito Pools below.

2024 Positive Mosquito Pools (by Zone):

• Zone 22 - West Nile Virus Positive - Collected on 6/13/24 - Reported from lab on 6/20/24 - Click for Press Release
• Zone 19 - West Nile Virus Positive - Collected on 6/19/24 - Reported from lab on 6/25/24
• Zone 13 - West Nile Virus Positive - Collected on 6/19/24 - Reported from lab on 6/25/24
• Zone 24 - West Nile Virus Positive - Collected on 6/20/24 - Reported from lab on 6/25/24
• Zone 1 - West Nile Virus Positive - Collected on 6/20/24 - Reported from lab on 6/25/24