American Journal of Epidemiology Vol. 154, No. 4 : 385-386
Copyright © 2001 by The Johns Hopkins University School of Hygiene and Public Health
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Principles and Practices of Public Health Surveillance, Second Edition
1 Department of Epidemiology and Biostatistics University of California, San Francisco, CA 94105-3444
In 1963 Alexander Langmuir defined surveillance as "the systematic collection, consolidation, analysis and dissemination" of data in public health practice (1
, p. 182). Central to Langmuir's conceptualization of surveillance was that surveillance data would be used to trigger public health actions. This definition had its roots in the vital statistics movement, especially the efforts of William Farr in the United Kingdom in the 19th century and in state laws mandating the systematic reporting of communicable diseases of public health significance, first begun in the United States in Massachusetts in 1874. Before Langmuir, the term "surveillance" had been used to refer to the monitoring of persons who
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