title: Understanding the basic concepts of public health surveillance.
authors: Population and Public Health Branch, Health Canada, AL no 1918C3, Tunney's Pasture, Ottawa, Ontario K1A 0K9, Canada.
authors: B C K
authors: BC
authors: Choi
authors: A W P
authors: AW
authors: Pak
authors: J M
authors: JM
authors: Ottoson
mesh_terms: D003625:Data Collection / Q000379:methods; D003627:Data Interpretation, Statistical; D006801:Humans; D011159:Population Surveillance