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Correction to: Health Care Manag Sci (2020)
The original version of this article unfortunately contained a mistake in the equation and reference. Thus, this erratum is presented to correct the errors.
In Chang et al. [1], eq. (12) was written as
This equation should be stated as
These expressions are not identical because the density being integrated is improper — the integrand is the probability density for the time to isolation, but it is possible that an infection is never detected (that is, it is possible that T is infinite).
All numerical calculations in the paper are correct, and the associated app (https://jtwchang.shinyapps.io/testing/) does compute Pr{T > a} properly.
Reference
Chang JT, Crawford FW, Kaplan EH (2020) Repeat SARS-CoV-2 testing models for residential college populations. Health Care Manag Sci. https://doi.org/10.1007/s10729-020-09526-0
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The online version of the original article can be found at https://doi.org/10.1007/s10729-020-09526-0
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Chang, J.T., Crawford, F.W. & Kaplan, E.H. Correction to: Repeat SARS-CoV-2 testing models for residential college populations. Health Care Manag Sci 24, 319 (2021). https://doi.org/10.1007/s10729-021-09568-y
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DOI: https://doi.org/10.1007/s10729-021-09568-y