Epidemiology of Chagas disease in Northern Argentina. Uriel Kitron, Univ. of Illinois Ricardo E. Gurtler, Univ of Buenos Aires Heinrich Zu Dohna, Rockefeller Univ. Ellen M. Dotson, CDC Maria C. Cecere, Univ of Buenos Aires Open discussion Symposium, ASTMH 53 rd Annual Meeting
Uriel Kitron, Univ. of Illinois
Ricardo E. Gurtler, Univ of Buenos Aires
Heinrich Zu Dohna, Rockefeller Univ.
Ellen M. Dotson, CDC
Maria C. Cecere, Univ of Buenos Aires
Symposium, ASTMH 53rd Annual Meeting
Miami, FL, Nov. 10, 2004
Joint program supports initiatives that seek to understand the ecological and biological mechanisms that govern relationships between human-induced environmental changes and the emergence and transmission of infectious diseases.
Supported by NIH/NSF Ecology of Infectious Disease Program
Eco-Epidemiology of Chagas’ Disease
In Northwest Argentina – study area
Ikonos satellite image –
used for detailed mapping
Santiago del Estero
Dry Chaco - Semi-arid area; mean annual temp. of 22º C;
hot summers and cold winter nights
Local economy is based on exploitation of the (rapidly disappearing) forest: Wood-chopping, production of coal and hardwood posts.
The IKONOS satellite is a high resolution satellite capable of creating 1-m2 panchromatic and 4-m2 multi-spectral images.
The First Step:
Getting the GPS points and making the Sketch maps
in the field.
Get the IKONOS and process it.
Crop out smaller
Images for areas
Georeferencing the image with GPS points
1- Bring in your GPS Points
2- Locate where they should overlay on the image
The Image moves to match the points
Now that the image is Georeferenced, we can digitize the structures.
And end up with a comprehensive map
And location data for further analyses
Project is a true collaboration
between UBA, UIUC, CDC,
Nat’l Vector Control Programme;
and includes a strong training component