National and Local Influenza Surveillance through Twitter: An Analysis of the 2012-2013 Influenza Epidemic

• David A. Broniatowski,

  Affiliations Department of Engineering Management and Systems Engineering, The George Washington University, Washington, District of Columbia, United States of America, Center for Advanced Modeling in the Social, Behavioral, and Health Sciences, Department of Emergency Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America

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• Michael J. Paul ,

  * E-mail: mpaul@cs.jhu.edu

  Affiliation Department of Computer Science and Center for Language and Speech Processing, Johns Hopkins University, Baltimore, Maryland, United States of America

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• Mark Dredze

  Affiliation Human Language Technology Center of Excellence and Department of Computer Science, Johns Hopkins University, Baltimore, Maryland, United States of America

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