CiteULike | Further Information

• {"link"=>{"url"=>"http://www.citeulike.org/user/alagami/article/12024267"}, "post_time"=>"2015-05-06 20:53:39", "tag"=>["2009", "flu", "google", "h1n1", "trends"], "linkout"=>{"type"=>"DOI", "url"=>"http://dx.doi.org/10.1371/journal.pone.0023610"}, "username"=>"alagami", "article_id"=>"12024267"}
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Mendeley | Further Information

{"title"=>"Assessing Google Flu trends performance in the United States during the 2009 influenza virus A (H1N1) pandemic", "type"=>"journal", "authors"=>[{"first_name"=>"Samantha", "last_name"=>"Cook", "scopus_author_id"=>"50461306000"}, {"first_name"=>"Corrie", "last_name"=>"Conrad", "scopus_author_id"=>"42761213400"}, {"first_name"=>"Ashley L.", "last_name"=>"Fowlkes", "scopus_author_id"=>"24178429100"}, {"first_name"=>"Matthew H.", "last_name"=>"Mohebbi", "scopus_author_id"=>"36913779900"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "scopus"=>"2-s2.0-80051831902", "sgr"=>"80051831902", "pui"=>"362372166", "isbn"=>"1932-6203", "pmid"=>"21886802", "doi"=>"10.1371/journal.pone.0023610"}, "id"=>"40bbb15e-d166-3869-9808-5e40b0d912f0", "abstract"=>"BACKGROUND: Google Flu Trends (GFT) uses anonymized, aggregated internet search activity to provide near-real time estimates of influenza activity. GFT estimates have shown a strong correlation with official influenza surveillance data. The 2009 influenza virus A (H1N1) pandemic [pH1N1] provided the first opportunity to evaluate GFT during a non-seasonal influenza outbreak. In September 2009, an updated United States GFT model was developed using data from the beginning of pH1N1.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: We evaluated the accuracy of each U.S. GFT model by comparing weekly estimates of ILI (influenza-like illness) activity with the U.S. Outpatient Influenza-like Illness Surveillance Network (ILINet). For each GFT model we calculated the correlation and RMSE (root mean square error) between model estimates and ILINet for four time periods: pre-H1N1, Summer H1N1, Winter H1N1, and H1N1 overall (Mar 2009-Dec 2009). We also compared the number of queries, query volume, and types of queries (e.g., influenza symptoms, influenza complications) in each model. Both models' estimates were highly correlated with ILINet pre-H1N1 and over the entire surveillance period, although the original model underestimated the magnitude of ILI activity during pH1N1. The updated model was more correlated with ILINet than the original model during Summer H1N1 (r = 0.95 and 0.29, respectively). The updated model included more search query terms than the original model, with more queries directly related to influenza infection, whereas the original model contained more queries related to influenza complications.\\n\\nCONCLUSIONS: Internet search behavior changed during pH1N1, particularly in the categories \"influenza complications\" and \"term for influenza.\" The complications associated with pH1N1, the fact that pH1N1 began in the summer rather than winter, and changes in health-seeking behavior each may have played a part. Both GFT models performed well prior to and during pH1N1, although the updated model performed better during pH1N1, especially during the summer months.", "link"=>"http://www.mendeley.com/research/assessing-google-flu-trends-performance-united-states-during-2009-influenza-virus-h1n1-pandemic-5", "reader_count"=>160, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>10, "Librarian"=>1, "Student > Doctoral Student"=>9, "Researcher"=>32, "Student > Ph. D. Student"=>50, "Student > Postgraduate"=>9, "Student > Master"=>19, "Other"=>8, "Student > Bachelor"=>15, "Professor"=>4}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>10, "Librarian"=>1, "Student > Doctoral Student"=>9, "Researcher"=>32, "Student > Ph. D. 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Scopus | Further Information

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Article Coverage

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Article Coverage Curated

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ScienceSeeker | Further Information

Twitter

• {"id"=>"301252711045820417", "text"=>"Google flu trends getting praise on @BBCRadio4 #starttheweek. Yet it missed the start of the 2009 pandemic: http://t.co/2FU0JIwD", "created_at"=>"2013-02-12T08:53:37Z", "user"=>"AdamJKucharski", "user_name"=>"Adam Kucharski", "user_profile_image"=>"http://a0.twimg.com/profile_images/2629725468/d89265f81a74a6242e9870c96481587e_normal.png"}
• {"id"=>"306478558954528770", "text"=>"Google Flu Trends fails in 2012 (http://t.co/bGD1kbcHxd) and 2009 (http://t.co/G5CD1ZMAUR). Despite what some people think, GFT is not magic", "created_at"=>"2013-02-26T18:59:17Z", "user"=>"msalganik", "user_name"=>"Matthew Salganik", "user_profile_image"=>"http://a0.twimg.com/profile_images/1703414524/headshot_200_normal.jpg"}
• {"id"=>"306480051036225537", "text"=>"RT @msalganik: Google Flu Trends fails in 2012 (http://t.co/bGD1kbcHxd) and 2009 (http://t.co/G5CD1ZMAUR). Despite what some people think, GFT is not magic", "created_at"=>"2013-02-26T19:05:12Z", "user"=>"random_walker", "user_name"=>"Arvind Narayanan", "user_profile_image"=>"http://a0.twimg.com/profile_images/517307825/rw_normal.png"}
• {"id"=>"406593426310692864", "text"=>"Assessing Google Flu Trends Performance in the United States during the 2009 Influenza Virus A (H1N1) Pandemic\nhttp://t.co/sKf3nRFc52", "created_at"=>"2013-11-30T01:20:01Z", "user"=>"YuriHiranuma", "user_name"=>"Yuri Hiranuma", "user_profile_image"=>"http://pbs.twimg.com/profile_images/378800000008815283/ddec4af03519701b791a72a896da50c0_normal.jpeg"}

Wikipedia | Further Information

• {"title"=>"Google Flu Trends", "url"=>"http://en.wikipedia.org/wiki/Google_Flu_Trends", "timestamp"=>"2018-11-04T12:48:54Z"}

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Figshare

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• {"files"=>["https://ndownloader.figshare.com/files/744567"], "description"=>"<p>*The overall correlation during pH1N1 is not an average of the Waves 1 and 2 correlations. The range of ILI rates was larger in Wave 2 than in Wave 1, causing the Wave 2 data to contribute more than the Wave 1 data to the overall correlation during pH1N1.</p>", "links"=>[], "tags"=>["rmse", "united", "states", "google", "flu", "trends", "estimates", "ilinet"], "article_id"=>414936, "categories"=>["Biotechnology", "Infectious Diseases"], "users"=>["Samantha Cook", "Corrie Conrad", "Ashley L. Fowlkes", "Matthew H. Mohebbi"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0023610.t002", "stats"=>{"downloads"=>1, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Correlation_and_RMSE_between_United_States_Google_Flu_Trends_estimates_and_ILINet_data_/414936", "title"=>"Correlation and RMSE between United States Google Flu Trends estimates and ILINet data.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 15:36:01"}
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PMC Usage Stats | Further Information

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Relative Metric

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F1000Prime