A Generalized QMRA Beta‐Poisson Dose‐Response Model

Gang Xie, Anne Roiko, Helen Stratton, Charles Lemckert, Peter K. Dunn and Kerrie Mengersen

Risk Analysis, 2016, vol. 36, issue 10, 1948-1958

Abstract: Quantitative microbial risk assessment (QMRA) is widely accepted for characterizing the microbial risks associated with food, water, and wastewater. Single‐hit dose‐response models are the most commonly used dose‐response models in QMRA. Denoting PI(d) as the probability of infection at a given mean dose d, a three‐parameter generalized QMRA beta‐Poisson dose‐response model, PI(d|α,β,r*), is proposed in which the minimum number of organisms required for causing infection, Kmin, is not fixed, but a random variable following a geometric distribution with parameter 0

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:wly:riskan:v:36:y:2016:i:10:p:1948-1958

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