# wombat urls ß PLOS ONE: Monitoring Influenza Activity in the United States: A Comparison of Traditional Surveillance Systems with Google Flu Trends
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Research Article

Monitoring Influenza Activity in the United States: A Comparison of Traditional Surveillance Systems with Google Flu Trends

  • Justin R. Ortiz mail,

    jrortiz@u.washington.edu

    Affiliation: University of Washington, Seattle, Washington, United States of America

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  • Hong Zhou,

    Affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America, Atlanta Research and Education Foundation, Atlanta, Georgia, United States of America

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  • David K. Shay,

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

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  • Kathleen M. Neuzil,

    Affiliation: PATH, Seattle, Washington, United States of America

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  • Ashley L. Fowlkes,

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

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  • Christopher H. Goss

    Affiliation: University of Washington, Seattle, Washington, United States of America

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  • Published: April 27, 2011
  • DOI: 10.1371/journal.pone.0018687

About the Authors

Justin R. Ortiz, Christopher H. Goss
University of Washington, Seattle, Washington, United States of America
Hong Zhou, David K. Shay, Ashley L. Fowlkes
Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
Hong Zhou
Atlanta Research and Education Foundation, Atlanta, Georgia, United States of America
Kathleen M. Neuzil
PATH, Seattle, Washington, United States of America

Corresponding Author

Email: jrortiz@u.washington.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JO. Performed the experiments: JO HZ. Analyzed the data: JO HZ AF DS KN CG. Contributed reagents/materials/analysis tools: JO DS KN CG. Wrote the paper: JO HZ AF DS KN CG.