WS Item 4
2013 West Nile Virus Action Plan
Timeline of Events in 2012
2012 Review
Positive pools by month
Tarrant County
2013 Denton and Tarrant County Plans
Adopted new response plans
Updated risk levels and response based on CDC guidelines
Continue to provide support for municipalities
Routine epidemiological monitoring for health threats
Education and Community Outreach
Field investigations
Provide surveillance resources
Contact and strengthen relationships with community partners
Proposed Southlake Plan
The proposed Southlake Response Plan is intended to:
Provide guidance for response procedures
Serve as a public education tool
Proposed Southlake Plan
Tiered response levels based on research supported information from the CDC, DSHS, and county health departments, including:
Source Reduction
Surveillance and Monitoring
Larviciding
Adulticiding
Public Education
Tiered Response Levels
West nile virus signs and symptoms
Two versions:
West Nile Fever
West Nile Neuroinvasive Disease
Incubation period: period from bite to illness
2-15 days
average 3-6 days
Cx. Quinquefasciatus: The Southern House Mosquito
Aedes
Aedes
Culex
Species resting sites
Culex resting sites
Aedes
Courtesy of Mike Merchant, Texas A&M AgriLife Center at Dallas
8 – 10 feet
Southlake Plan: Source Reduction and Larvaciding
Elimination or modification of mosquito breeding sites
Public Property
Private Property
Marin/Sonoma Mosquito and Vector Control District
Culex sp. eggs
Larvicide Options
Southlake Plan: Surveillance and Monitoring
Adulticiding
The application of pesticide to kill adult mosquitoes
Southlake Plan: Public Education
Summary
Record breaking 2012
Proactive approach to 2013
What’s Next
Finalize response plan based on Council feedback
Bring final plan to the May 7th meeting for approval
Tarrant County Public Health interlocal agreement
Questions?