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

–Chikungunya (contortion fever) –Dengue (breakbone fever) Control Techniques Outlook Overview

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

Protecting Florida Workshop attendees represented: 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

Dengue Transmission in Florida

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

Chikungunya – vector mosquitoes Aedes aegypti Aedes albopictus

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

Typical Container Breeding Sites

Sources of Standing Water

Survey Findings CY 2014

Survey Findings CY

Total parcels Residents home Percent at home Permission to inspect Percent home inspected % Total Parcels Inspected # of Houses with containers of water Total # of containers with water Total # of containers with larvae Percent insp. w/ cont. Percent cont. w/ larvae Staff Hours 6,4271,44923%92664%14% %33%1, Total parcels Residents home Percent at home Permission to inspect Percent home inspected % Total Parcels Inspected # of Houses with containers of water Total # of containers with water Total # of containers with larvae Percent insp. w/ cont. Percent cont. w/ larvae Staff Hours 10,7162,46123%1,66968%16%7711, %31%2, Survey Statistics

The Danger of Imported Cases

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

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

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

Door to Door

BG-Sentinel Mosquito Trap

LBJ Ovitrap

Aedes eggs laid on moist surfaces LBJ Trap Results

New Insecticides in the Arsenal

New (Old) Equipment in the Arsenal

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

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

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

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

Pandora’s Box Has Been Opened

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