The Role of Modern Social Media Data in Surveillance and Prediction of Infectious Diseases: from Time Series to Networks

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• Yulia Gel (University of Texas at Dallas; University of Waterloo)
• Tuesday 23 August 2016, 11:30-12:30
• Seminar Room 1, Newton Institute.

If you have a question about this talk, please contact INI IT.

SNA - Theoretical foundations for statistical network analysis

The prompt detection and forecasting of infectious diseases with rapid transmission and high virulence are critical in the effective defense against these diseases. Despite many promising approaches in modern surveillance methodology, the lack of observations for near real-time forecasting is still the key challenge obstructing operational prediction and control of disease dynamics. For instance, even CDC data for well monitored areas in USA are two weeks behind, as it takes time to confirm influenza like illness (ILI) as flu, while two weeks is a substantial time in terms of flu transmission.  These limitations have ignited the recent interest in searching for alternative near real-time data sources on the current epidemic state and, in particular, in the wealth of health-related information offered by modern social media. For example, Google Flu Trends used flu-related searches to predict a future epidemiological state at a local level, and more recently, Twitter and Wikipedia have also proven to be a very valuable resource for a wide spectrum of public health applications. In this talk we will review capabilities and limitations of such social media data as early warning indicators of influenza dynamics in conjunction with traditional time series epidemiological models and with more recent random network approaches accounting for heterogeneous social interaction patterns.

This talk is part of the Isaac Newton Institute Seminar Series series.

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