Prospective spatial prediction of infectious disease: experience of New York State (USA) with West Nile Virus and proposed directions for improved surveillance |
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| Authors: | Glen D Johnson |
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| Institution: | (1) Division of Family Health, New York State Department of Health, Empire State Plaza, Corning Tower, Room 208, Albany, NY 12237, USA;(2) Present address: School of Public Health, University at Albany, State University of New York, Albany, NY, USA |
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| Abstract: | Infectious disease surveillance has become an international top priority due to the perceived risk of bioterrorism. This is
driving the improvement of real-time geo-spatial surveillance systems for monitoring disease indicators, which is expected
to have many benefits beyond detecting a bioterror event. West Nile Virus surveillance in New York State (USA) is highlighted
as a working system that uses dead American Crows (Corvus brachyrhynchos) to prospectively indicate viral activity prior to human onset. A cross-disciplinary review is then presented to argue that
this system, and infectious disease surveillance in general, can be improved by complementing spatial cluster detection of
an outcome variable with predictive “risk mapping” that incorporates spatiotemporal data on the environment, climate and human
population through the flexible class of generalized linear mixed models.
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| Keywords: | Generalized linear mixed models Geographic information systems Infectious disease Landscape ecology Prospective surveillance Remote sensing Spatial analysis West Nile virus |
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