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Thomas P. Breaud, Ph.D. Manager August 5, 2014

Mosquito-borne Disease Threats. Thomas P. Breaud, Ph.D. Manager August 5, 2014. Overview. Mosquito-borne Disease Threats Chikungunya (contortion fever) Dengue ( breakbone fever) Control Techniques Outlook. Dengue and Chikungunya. Protecting Florida from Dengue and

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Thomas P. Breaud, Ph.D. Manager August 5, 2014

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  1. Mosquito-borne Disease Threats Thomas P. Breaud, Ph.D. Manager August 5, 2014

  2. Overview • Mosquito-borne Disease Threats • Chikungunya (contortion fever) • Dengue (breakbone fever) • Control Techniques • Outlook

  3. Dengue and Chikungunya Protecting Florida from Dengue and Chikungunya through Control of Aedesaegypti and Aedesalbopictus June 3-4, 2014 THE FLORIDA MEDICAL ENTOMOLOGY LABORATORY University of Florida IFAS Vero Beach, Florida

  4. Protecting Florida • 75% of Florida’s population • 90% of the total of Mosquito Control budgets • 32 Florida Counties • 25 FL Mosquito Control Districts • 17 FL Department of Health Offices Workshop attendees represented:

  5. Dengue Transmission in Florida 2009-2014 2009 2010 2011 2012 2013

  6. Chikungunya • First case in this hemisphere December 7, 2013 St. Martin • 443,552 confirmed/suspected cases in 29 countries/territories of the Caribbean and South America as of July 28, 2014

  7. Aedes aegypti Aedes albopictus Chikungunya – vector mosquitoes

  8. Chikungunya – vector mosquitoes • The Yellow Fever mosquito and the Asian Tiger mosquito are difficult to control because of their life cycles • They use artificial containers to lay their eggs • They are daytime biters • At summer temperatures, they can go from egg to adult in a week

  9. Typical Container Breeding Sites

  10. Sources of Standing Water

  11. Survey Findings CY 2014

  12. Survey Findings CY 2011-14

  13. Survey Statistics 2014 2011-2014

  14. The Danger of Imported Cases

  15. Current Chikungunya Situation Florida • Imported cases YTD Orange County – 14 • Imported cases YTD – 105 • Locally Transmitted Cases YTD - 4

  16. Current Chikungunya Situation Caribbean • Confirmed/Probable Cases – 5,824 • Suspected Cases – 437,728 • 29 Countries/Territories If Orange County had the same incidence rate as Guadalupe, we could expect 165,652 cases.

  17. Response to the Threat Operations • Increasing door to door sweeps • Increasing passive surveillance • Deploying special Aedes traps • Utilizing special equipment • Utilizing special insecticides

  18. Door to Door

  19. BG-Sentinel Mosquito Trap

  20. LBJ Ovitrap

  21. LBJ Trap Results Aedes eggs laid on moist surfaces

  22. New Insecticides in the Arsenal

  23. New (Old) Equipment in the Arsenal

  24. Mosquito Control Division Response Staffing and Communications • Orange County Emergency Management • Orange County Communications • Orange County Code Enforcement • Orange County Health Department

  25. Previous Planning Mosquito Disease Contingency Planning Meeting September 5, 2012 • OC Health Department • OC Public Schools • OC Environmental Protection Division • OC Office of Emergency Management • OC Health Services Department • OC Sheriff’s Office

  26. Successful Aedes aegypti and albopictus Control Efforts Require This… Dr. Wm. Gorgas Panama

  27. Successful Aedes aegypti and albopictus Control Efforts Require This… Dr. Fred Soper South America

  28. Pandora’s Box Has Been Opened

  29. Mosquito Control Public Health’s First Line of Defense Against Mosquito-borne Disease

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