By Marcel Salathé, Linus Bengtsson, Todd Bodnar, Devon Brewer, John Brownstein, Caroline Buckee, Ellsworth Campbell, Circo Cattuto, Shashank Khandelwal, Patricia Mabry, and Alessandro Vespignani. 

Abstract

Mobile, social, real-time: the ongoing revolution in the way people communicate has given rise to a new kind of epidemiology. Digital data sources, when harnessed appropriately, can provide local and timely information about disease and health dynamics in populations around the world. The rapid, unprecedented increase in the availability of relevant data from various digital sources creates considerable technical and computational challenges.

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