From johnkar2@isu.edu Tue Apr  4 13:37:09 2000
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Date: Tue, 04 Apr 2000 14:36:06 -0600
From: Karen Johnson <johnkar2@isu.edu>
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Subject: GIS & confidentiality
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I'm writing a paper on confidentiality issues with health information
systems, including disease or immunization registries and GISs.

Does anyone have any references on standard procedures for avoiding
pinpointing disease cases? ie. somehow manipulate your geocode process
so the point location is not exact, calculation of rates, what about
areas where limited cases (1 or 2 per county, for example) are present?

Are there any standard procedures or legal requirements or do health
departments/researchers make up their own confidentiality protocols?

Thanks,
Karen Johnson
Institute of Rural Health Studies
Idaho State University

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