Assessing Google Flu Trends Performance in the United States during the 2009 Influenza Virus A (H1N1) Pandemic

• Samantha Cook,

  Affiliation Google, Inc., New York, New York, United States of America

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• Corrie Conrad ,

  * E-mail: cconrad@google.com

  Affiliation Google, Inc., London, United Kingdom

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• Ashley L. Fowlkes,

  Affiliation Influenza Division, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

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• Matthew H. Mohebbi

  Affiliation Google, Inc., New York, New York, United States of America

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