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Interpreting Google flu trends data for pandemic H1N1 influenza: the New Zealand experience.
Euro Surveill. 2009 Nov 05; 14(44)ES

Abstract

For the period of the spread of pandemic H1N1 influenza in New Zealand during 2009, we compared results from Google Flu Trends with data from existing surveillance systems. The patterns from Google Flu Trends were closely aligned with (peaking a week before and a week after) two independent national surveillance systems for influenza-like illness (ILI) cases. It was much less congruent with (delayed by three weeks) data from ILI-related calls to a national free-phone Healthline and with media coverage of pandemic influenza. Some patterns were unique to Google Flu Trends and may not have reflected the actual ILI burden in the community. Overall, Google Flu Trends appears to provide a useful free surveillance system but it should probably be seen as supplementary rather than as an alternative.

Authors+Show Affiliations

Department of Public Health, University of Otago, Wellington, New Zealand. nick.wilson@otago.ac.nzNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19941777

Citation

Wilson, N, et al. "Interpreting Google Flu Trends Data for Pandemic H1N1 Influenza: the New Zealand Experience." Euro Surveillance : Bulletin Europeen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin, vol. 14, no. 44, 2009.
Wilson N, Mason K, Tobias M, et al. Interpreting Google flu trends data for pandemic H1N1 influenza: the New Zealand experience. Euro Surveill. 2009;14(44).
Wilson, N., Mason, K., Tobias, M., Peacey, M., Huang, Q. S., & Baker, M. (2009). Interpreting Google flu trends data for pandemic H1N1 influenza: the New Zealand experience. Euro Surveillance : Bulletin Europeen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin, 14(44).
Wilson N, et al. Interpreting Google Flu Trends Data for Pandemic H1N1 Influenza: the New Zealand Experience. Euro Surveill. 2009 Nov 5;14(44) PubMed PMID: 19941777.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Interpreting Google flu trends data for pandemic H1N1 influenza: the New Zealand experience. AU - Wilson,N, AU - Mason,K, AU - Tobias,M, AU - Peacey,M, AU - Huang,Q S, AU - Baker,M, Y1 - 2009/11/05/ PY - 2009/11/28/entrez PY - 2009/11/28/pubmed PY - 2010/3/2/medline JF - Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin JO - Euro Surveill. VL - 14 IS - 44 N2 - For the period of the spread of pandemic H1N1 influenza in New Zealand during 2009, we compared results from Google Flu Trends with data from existing surveillance systems. The patterns from Google Flu Trends were closely aligned with (peaking a week before and a week after) two independent national surveillance systems for influenza-like illness (ILI) cases. It was much less congruent with (delayed by three weeks) data from ILI-related calls to a national free-phone Healthline and with media coverage of pandemic influenza. Some patterns were unique to Google Flu Trends and may not have reflected the actual ILI burden in the community. Overall, Google Flu Trends appears to provide a useful free surveillance system but it should probably be seen as supplementary rather than as an alternative. SN - 1560-7917 UR - https://www.unboundmedicine.com/medline/citation/19941777/Interpreting_Google_flu_trends_data_for_pandemic_H1N1_influenza:_the_New_Zealand_experience_ L2 - http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=19386 DB - PRIME DP - Unbound Medicine ER -