Rift Valley Fever Monitoring Update November 27, 2006. FEWS Science Meeting November 27, 2006. Assaf Anyamba*, Jennifer Small*, Kenneth J. Linthicum § , Jean-Paul Chretien †, Compton J. Tucker*
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FEWS Science Meeting
November 27, 2006
Assaf Anyamba*, Jennifer Small*, Kenneth J. Linthicum §, Jean-Paul Chretien †, Compton J. Tucker*
* NASA/Goddard Space Flight Center, Biospheric Sciences Branch, Code 614.4, GIMMS Group, Greenbelt, MD 20771
†Department of Defense, Global emerging Infections System, Division of Preventive Medicine, Walther Reed Army Institute of Research, Washington, DC 20307-5100
§Center for Medical, Agricultural & Veterinary Entomology, Agricultural Research Service, United States Department of Agriculture, Gainesville, Florida, 32608.
Historical Perspective: East Africa
Coastal Flood Plain
Riverine Flood Plain
?? Scarcity of surface climate observations (both temporal + spatial)
NDVI == can be used as the cumulative response indicator of climatic parameters: precip, temp and their variability over time especially in arid and semi-arid areas == memory of climate
Surveillance Regions: Based on Savanna Mask
Persistence mapping of “above” normal vegetation conditions
Current rainfall at selected RVF monitoring sites almost same as 1997/98, continued
rainfall will maintain flood waters and elevate risk of RVF activity and other vector-borne diseases.