Monitoring influenza activity in the United States: a comparison of traditional surveillance systems with Google Flu Trends.

Google Flu Trends was developed to estimate US influenza-like illness (ILI) rates from internet searches; however ILI does not necessarily correlate with actual influenza virus infections.Influenza activity data from 2003-04 through 2007-08 were obtained from three US surveillance systems: Google Fl...

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Bibliographic Details
Main Authors: Justin R Ortiz, Hong Zhou, David K Shay, Kathleen M Neuzil, Ashley L Fowlkes, Christopher H Goss
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2011-04-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3083406?pdf=render