Fullerton, Kathleen; Scallan, Elaine; Kirk, Martyn; Mahon, Barbara; Angulo, Frederick J; de Valk, Henriette; van Pelt, Wilfrid; Gauci, Charmaine; Hauri, Anja M; Majowicz, Shannon E; O'Brien, Sarah J.
Epidemiologists have used case-control studies to investigate enteric disease outbreaks for many decades. Increasingly, case-control studies are also used to investigate risk factors for sporadic (not outbreak-associated) disease. While the same basic approach is used, there are important differences between outbreak and sporadic disease settings that need to be considered in the design and implementation of the case-control study for sporadic disease. Through the International Collaboration on...[Show more]
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