Forecasting Influenza Epidemics from Multi-Stream Surveillance Data in a Subtropical City of China

Pei-Hua Cao, Xin Wang, Shi-Song Fang, Xiao-Wen Cheng, King-Pan Chan, Xi-Ling Wang, Xing Lu, Chun-Li Wu, Xiu-Juan Tang, Ren-Li Zhang, Han-Wu Ma, Jin-Quan Cheng, Chit-Ming Wong and Lin Yang

PLOS ONE, 2014, vol. 9, issue 3, 1-8

Abstract: Background: Influenza has been associated with heavy burden of mortality and morbidity in subtropical regions. However, timely forecast of influenza epidemic in these regions has been hindered by unclear seasonality of influenza viruses. In this study, we developed a forecasting model by integrating multiple sentinel surveillance data to predict influenza epidemics in a subtropical city Shenzhen, China. Methods: Dynamic linear models with the predictors of single or multiple surveillance data for influenza-like illness (ILI) were adopted to forecast influenza epidemics from 2006 to 2012 in Shenzhen. Temporal coherence of these surveillance data with laboratory-confirmed influenza cases was evaluated by wavelet analysis and only the coherent data streams were entered into the model. Timeliness, sensitivity and specificity of these models were also evaluated to compare their performance. Results: Both influenza virology data and ILI consultation rates in Shenzhen demonstrated a significant annual seasonal cycle (p

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0092945

DOI: 10.1371/journal.pone.0092945

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