Since the 1800s this traditional triad of descriptive epidemiology has allowed for effective interventions to deal with epidemics. A focus on time, place, and person also provides a critical framework for interventions in controlling the epidemic by focusing on those populations with the highest risk for disease.
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Alexander LA, Scutchfield FD. The Importance of Time, Place, and Person: Applying Elementary Epidemiology to COVID-19 Outcomes in Rural Appalachia. J Appalach Health 2021;3(4):1–4. DOI: https://doi.org/10.13023/jah.0304.01