Forecasting the 2013–2014 influenza season using Wikipedia
Abstract
Infectious diseases are one of the leading causes of morbidity and mortality around the world; thus, forecasting their impact is crucial for planning an effective response strategy. According to the Centers for Disease Control and Prevention (CDC), seasonal influenza affects 5% to 20% of the U.S. population and causes major economic impacts resulting from hospitalization and absenteeism. Understanding influenza dynamics and forecasting its impact is fundamental for developing prevention and mitigation strategies. We combine modern data assimilation methods with Wikipedia access logs and CDC influenza-like illness (ILI) reports to create a weekly forecast for seasonal influenza. The methods are applied to the 2013-2014 influenza season but are sufficiently general to forecast any disease outbreak, given incidence or case count data. We adjust the initialization and parametrization of a disease model and show that this allows us to determine systematic model bias. In addition, we provide a way to determine where the model diverges from observation and evaluate forecast accuracy. Wikipedia article access logs are shown to be highly correlated with historical ILI records and allow for accurate prediction of ILI data several weeks before it becomes available. The results show that prior to the peak of the flu season, ourmore »
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Tulane Univ., New Orleans, LA (United States)
- Pennsylvania State Univ., State College, PA (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1214725
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- PLoS Computational Biology (Online)
- Additional Journal Information:
- Journal Name: PLoS Computational Biology (Online); Journal Volume: 11; Journal Issue: 5; Journal ID: ISSN 1553-7358
- Publisher:
- Public Library of Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; 60 APPLIED LIFE SCIENCES; influenza; forecasting; online encyclopedias; seasons; public and occupational health; influenza A virus; natural history of disease; Kalman filter
Citation Formats
Hickmann, Kyle S., Fairchild, Geoffrey, Priedhorsky, Reid, Generous, Nicholas, Hyman, James M., Deshpande, Alina, Del Valle, Sara Y., and Salathé, Marcel. Forecasting the 2013–2014 influenza season using Wikipedia. United States: N. p., 2015.
Web. doi:10.1371/journal.pcbi.1004239.
Hickmann, Kyle S., Fairchild, Geoffrey, Priedhorsky, Reid, Generous, Nicholas, Hyman, James M., Deshpande, Alina, Del Valle, Sara Y., & Salathé, Marcel. Forecasting the 2013–2014 influenza season using Wikipedia. United States. https://doi.org/10.1371/journal.pcbi.1004239
Hickmann, Kyle S., Fairchild, Geoffrey, Priedhorsky, Reid, Generous, Nicholas, Hyman, James M., Deshpande, Alina, Del Valle, Sara Y., and Salathé, Marcel. Thu .
"Forecasting the 2013–2014 influenza season using Wikipedia". United States. https://doi.org/10.1371/journal.pcbi.1004239. https://www.osti.gov/servlets/purl/1214725.
@article{osti_1214725,
title = {Forecasting the 2013–2014 influenza season using Wikipedia},
author = {Hickmann, Kyle S. and Fairchild, Geoffrey and Priedhorsky, Reid and Generous, Nicholas and Hyman, James M. and Deshpande, Alina and Del Valle, Sara Y. and Salathé, Marcel},
abstractNote = {Infectious diseases are one of the leading causes of morbidity and mortality around the world; thus, forecasting their impact is crucial for planning an effective response strategy. According to the Centers for Disease Control and Prevention (CDC), seasonal influenza affects 5% to 20% of the U.S. population and causes major economic impacts resulting from hospitalization and absenteeism. Understanding influenza dynamics and forecasting its impact is fundamental for developing prevention and mitigation strategies. We combine modern data assimilation methods with Wikipedia access logs and CDC influenza-like illness (ILI) reports to create a weekly forecast for seasonal influenza. The methods are applied to the 2013-2014 influenza season but are sufficiently general to forecast any disease outbreak, given incidence or case count data. We adjust the initialization and parametrization of a disease model and show that this allows us to determine systematic model bias. In addition, we provide a way to determine where the model diverges from observation and evaluate forecast accuracy. Wikipedia article access logs are shown to be highly correlated with historical ILI records and allow for accurate prediction of ILI data several weeks before it becomes available. The results show that prior to the peak of the flu season, our forecasting method produced 50% and 95% credible intervals for the 2013-2014 ILI observations that contained the actual observations for most weeks in the forecast. However, since our model does not account for re-infection or multiple strains of influenza, the tail of the epidemic is not predicted well after the peak of flu season has passed.},
doi = {10.1371/journal.pcbi.1004239},
journal = {PLoS Computational Biology (Online)},
number = 5,
volume = 11,
place = {United States},
year = {Thu May 14 00:00:00 EDT 2015},
month = {Thu May 14 00:00:00 EDT 2015}
}
Web of Science
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