Salt Fluoridation in the Region of the Americas - European ...
Salt Fluoridation in the Region of the Americas - European ...
Salt Fluoridation in the Region of the Americas - European ...
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Epidemiological Surveillance Types <strong>of</strong> Surveillance systems Active Reach<strong>in</strong>g out to various sources to solicit <strong>in</strong>formation Passive Biological <strong>in</strong>dicators, laboratory tests or questionnaires Rout<strong>in</strong>e report<strong>in</strong>g <strong>of</strong> special health events e.g., notifiable diseases to authorities by health care <strong>in</strong>stitutionsand practitioners