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The detection of spatially localised outbreaks in campylobacteriosis notification data
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Spencer, Simon E. F., Marshall, Jonathan, Pirie, Ruth, Campbell, Donald and French, Nigel P. (2011) The detection of spatially localised outbreaks in campylobacteriosis notification data. Spatial and Spatio-temporal Epidemiology, Vol.2 (No.3). pp. 173-183. doi:10.1016/j.sste.2011.07.008 ISSN 1877-5845.
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Official URL: http://dx.doi.org/10.1016/j.sste.2011.07.008
Abstract
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.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Statistics | ||||
Journal or Publication Title: | Spatial and Spatio-temporal Epidemiology | ||||
Publisher: | Elsevier Science BV | ||||
ISSN: | 1877-5845 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.2 | ||||
Number: | No.3 | ||||
Page Range: | pp. 173-183 | ||||
DOI: | 10.1016/j.sste.2011.07.008 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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