A Cluster-based Method to Quantify Individual Heterogeneity in Tuberculosis Transmission : Epidemiology

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A Cluster-based Method to Quantify Individual Heterogeneity in Tuberculosis Transmission

Epidemiology 34(1):p e1, January 2023. | DOI: 10.1097/EDE.0000000000001552
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A formatting error occurred in the final probability distribution equation in the article entitled “A Cluster-based Method to Quantify Individual Heterogeneity in Tuberculosis Transmission,” in the March 2022 issue of Epidemiology.1 The equation presented on page 218 omitted the gamma symbol (Γ) in both the equation and subsequent text. This error was only typographical in nature and did not affect any analysis, results, figures, or conclusions. The corrected statement and formula should read:

“We accounted for these constraints when using the classical procedure to extract the probability from a generating function, resulting in a final probability distribution for a transmission cluster of size y with n index cases defined as:

P(Y=y|n)=(ny)Γ(ky+yn)Γ(ky)(yn)!(Rk)yn(1+Rk)ky+yn

WhereΓ(x)=0tx1etdt.”

Bibliography

1. Smith JP, Gandhi NR, Silk BJ, et al. A cluster-based method to quantify individual heterogeneity in tuberculosis transmission. Epidemiology. 2022;33:217–227. doi: 10.1097/EDE.0000000000001452
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