Mosquito & Vector Control

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The Mosquito & Vector Control Division protects the health and well-being of county residents through surveillance, control, education, research, and technology to prevent and control mosquito-borne diseases, including St. Louis encephalitis (SLE) and West Nile Virus (WNV) encephalitis.  Activities include:
  • Monitoring the Culex mosquito population, the primary transmitter of SLE and WNV
  • Laboratory analysis of mosquito samples to detect SLE and WNV
  • Monitoring and testing of live and dead birds for SLE and WNV
  • Conducting ground and aerial spraying activities in areas with confirmed SLE and WNV
  • Providing education, training and information to citizens, schools, community groups and the media regarding SLE, WNV and mosquito control
  • Conducting research to incorporate data into operational activities
  • Utilizing the Geographical Information System (GIS) to track and monitor mosquito-borne diseases

For more information contact:

Harris County Public Health
Mosquito Control Division
3330 Old Spanish Trail, Bldg. D
Houston, TX 77021

Phone: (713) 440-4800
Fax: (713) 440-4795