Spat Spatiotemporal Epidemiol - The detection of spatially localised outbreaks in campylobacteriosis notification data.

Tópicos

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Resumo

This paper applies a Bayesian hierarchical model designed to identify potential outbreaks of campylobacteriosis from a background of sporadic cases. We assume that such outbreaks are characterized by spatially-localised periods of increased incidence. As well as calculating an outbreak probability for each potential disease cluster, the model simultaneously estimates the underlying spatial and temporal distribution of sporadic cases. The model is applied to notification data from a region of New Zealand for the period 2001-2007 and correctly identifies known outbreaks, whilst highlighting an appropriate number of potential outbreaks for further investigation. Using simulated data, we show that if additional epidemiological information is included in the construction of the model then it can outperform an established method.

Resumo Limpo

paper appli bayesian hierarch model design identifi potenti outbreak campylobacteriosi background sporad case assum outbreak character spatiallylocalis period increas incid well calcul outbreak probabl potenti diseas cluster model simultan estim under spatial tempor distribut sporad case model appli notif data region new zealand period correct identifi known outbreak whilst highlight appropri number potenti outbreak investig use simul data show addit epidemiolog inform includ construct model can outperform establish method

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