1. A GIS Model of Arboviral Risk Assessment in Florida
Jonathan Day, Gregory Ross, and
Roxanne Connelly
University of Florida
Florida Medical Entomology Laboratory
Vero Beach, Florida

3. Factors that Drive Vector-borne Disease Epidemics
Environmental Factors
Pathogen
Amplification Host
Vector

4. Culex nigripalpus: An Important Arboviral Vector in Florida

8. Water Table 1.6 meters below surface
Low areas (ditched, furrows, sinkholes) during periods of drought
Water Table 1.6 meters below surface
Culex nigripalpus ovisposition sites during periods of wetting
Water Table 1.0 meters below surface
Water Table 1.3 meters below surface
Water Table 0.8 meters below surface

9. Jeffrey Shaman, Oregon State University
Gregg Ross, FMEL
Jeffrey Shaman, Oregon State University

10. 589 MWTD
data recording stations
across peninsular
Florida

11. Figure 3

15. Modeled Water Table Depth1 2 3
589
Data Points
MWTD values
MWTD Maps
RISK Maps

16. GIS RISK Maps 3
RISK model comparison
MWTD values
RISK values

17. Pinellas County Florida: 2005 Case Study
Arboviral
transmission
risk for May 2005

18. Onset Dates: 1 June to 22 August, with 15 reported during July, 2005

23. MWTD Data for the Pinellas County, FL WNV outbreak of 2005
MWTD recording sites
MWTD data for Pinellas County, 2005
Florida Medical Entomology Laboratory

24. 2003
2004
2005
2006
Humans
Modeled Water Table Depth
Cx. nig
Sentinels
Week Number