title: Understanding infectious disease surveillance: its uses, sources, and limitations.
authors.affiliation: Center for Biosecurity of the University of Pittsburgh Medical Center, 621 East Pratt Street, Baltimore, MD 21202, USA. tksell@upmc-biosecurity.org
authors.forename: Tara Kirk
authors.initials: TK
authors.lastname: Sell
mesh_terms: D023482:Bioterrorism / Q000517:prevention & control; D003140:Communicable Disease Control / Q000379:methods / Q000458:organization & administration; D006801:Humans; D011159:Population Surveillance / Q000379:methods; D014481:United States