Health Surveys

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Public health surveillance is the systematic, ongoing assessment of the health of a community, based on the collection, interpretation & use of health data. Surveillance provides information necessary for public health decision making & interventions.--Résumé de l'éditeur.

"The AIDS epidemic has posed more urgent historical questions than any other disease of modern times. How have societies responded to epidemics in the past? Why did the disease emerge when and where it did? How has it spread among members of particular groups? And how will the p…