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Integrated Vector Management: A Decision- Making Process for Optimal Use of Resources
Mustapha Debboun, Ph.D., BCE
Harris County Public Health Mosquito & Vector Control Division
March 22, 2017
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
What is IVM?
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
“Systematic plans for effectively, efficiently, and safely using tactics to manage a problem in the best interests of humans in terms, of their health, economy, and/or quality of life.” Dr. J. K. Olson, Professor of Public Health Entomology, Texas A&M University.
“A decision-based process involving coordinated use of multiple
tactics for optimizing the control of all classes of pests (insects, pathogens, weeds, vertebrates) in an ecologically and economically sound manner”. Dr. R.J. Prokopy, Univ. of Massachusetts at Amherst
Why Use IVM?
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Minimize insecticide resistance by using surveillance to guide control efforts
Monitor insecticide efficacy to maximize cost efficiency
Minimize exposure to non-target organisms by using alternative control strategies
Minimize insecticide residues by using alternative control strategies
Comply with Texas Pesticide General Permit
The 5 Essential Components of An IVM Program
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Background Knowledge
Survey/Surveillance
Multi-tactic Management Strategy
Continuous Program Evaluation/Modification
Continuing Education/Training
Components of IVM: Background Knowledge
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Know species involved Biology/ecology/behavior
Their importance Annoyance potential
Disease carriers
Their Survey
Their Control
Nuisance
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Background Knowledge: Ecology
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Area Profile, 2008-2016
To characterize each mosquito control operational area (MCOA) integrating historical and current data including but not limited to entomological, environmental, epidemiological, insecticidal, and infrastructural variables
Evaluate mosquito-borne disease risk for
each MCOA
Enhance decision making capacity and
operational strategies for endemic/emerging mosquito-borne diseases
DOCUMENTATION
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Components of IVM: Surveys/Surveillance
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Species composition
Population densities
Geographic distribution
Seasonal occurrence
Initial Surveys Surveillance
…….continuous and systematic monitoring for changes in:
Species composition
Population densities
Annoyance potential
Effectiveness of control tactics
Types of Surveillance
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Egg
Larval
Adult
Types of Surveillance: Egg
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Larval Surveillance: Dipping
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Adult Surveillance: Gravid Trap
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Adult Surveillance: CDC light trap
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Adult Surveillance: BG sentinel trap
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Adult Surveillance: Landing rate count
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Documentation is Critical
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
WNV Positive Operational Areas - 2014
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Resident Requests
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Mosquito Inspection Report
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Components of IVM: Multi-tactic Management Strategies
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Source Reduction removal of water from artificial containers
elimination of artificial containers
Mechanical Control
proper screening
fly swatters
Mechanical Control
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Components of IVM: Multi-Tactic Management Strategies
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Cultural Control Water Management
drainage
circulation
Land Management grading
Drainage
Environmental Assessments
Drainage
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Circulation
Removal of water Elimination of containers
Environmental Assessment
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Predatory Insects
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Components of IVM: Control
Pre-larviciding Historical presence
Larviciding Check for presence of larvae
If present, follow treatment label instructions
Record environmental and insecticide data
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Components of IVM: Control
Adulticiding Surveillance guided treatments
Presence of nuisance and/or diseased mosquitoes
Treatment application according to label instructions
Document environmental, insecticide, and vehicle data
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
MVC Example
Treat areas where disease activity is found Ground ULV treatment
Supplemental aerial treatment when disease clustering present or when disease frequency accelerates
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Behavior Modifying Chemicals
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Repellents: DEET, Picaridin, IR3535, PMD
Attractants: Attractive Targeted Sugar Baits (ATSB)
Components of IVM: Continuous Program Evaluation/Modification
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Cost/Risk/Benefit
Evaluate program activities: surveillance methodologies & control measures (cost of insecticides vs. insecticide efficacy)
Update/upgrade processes, equipment
Adjustments to significant environmental and biological changes which impact surveillance and control activities
MVC Examples
Insecticide Resistance Surveillance and Management
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Trapping Methodologies
Components of IVM: Continual Education/Training
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Public education and community outreach a well informed public can be a part of the solution
Professional/technical education
keep personnel current on technology and training
network with other organizations
identify potential collaborative projects
MVC Examples
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Public Education/Training Health Fairs/Local presentations One on One
Professional/Technical Training Internal
Pesticide General Permit Preparation for state non-commercial pesticide applicator license exam Mosquito identification ULV operations Safety
External Pesticide General Permit Regional CEU Spring Workshop TX Mosquito Control Association (TMCA) Annual Workshop and Annual Conference
AMCA Annual Conference
Community Connections at Work
Outreach materials provided for field staff to share with residents during property inspections or when approached with mosquito questions
Field Staff Community Interaction Examples
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Postcard
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Community Connections at Work
Community Event Participation and Community Presentations
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Outreach Materials
All fact sheets are available in English and Spanish
*HCPH Mosquito Control Division Fact Sheets
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
CEU Workshop
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
Conclusion
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
IVM programs should not be considered alternatives to the use of pesticides; rather, they should be viewed as alternatives to the indiscriminate and continuous use of pesticides. The chemical approach for mosquito control should be integrated with all the other approaches that have been incorporated into the overall management program.
Harris County Public Health
HCPH Priority Public Health Issues for 2013-2018 Selected for the magnitude of the issue and our ability to make progress in Harris County
{ Vision } { Values } { Mission }
Healthy People,
Healthy Communities,
A Healthy Harris County
Excellence
Compassion
Flexibility
Integrity
Accountability
Professionalism
Equity
Promoting a Health and Safe Community
Preventing Injury and Illness
Protecting You
www.hcphtx.org
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