Skip directly to local search Skip directly to A to Z list Skip directly to navigation Skip directly to site content Skip directly to page options
CDC Home

Volume 15, Number 8—August 2009

Letter

More Diseases Tracked by Using Google Trends

Camille PelatComments to Author , Clément Turbelin, Avner Bar-Hen, Antoine Flahault, and Alain-Jacques Valleron
Author affiliations: Institut National de la Santé et de la Recherche Médicale, Paris, France (C. Pelat, C. Turbelin, A.-J. Valleron); Université Pierre et Marie Curie–Paris 6, Paris (C. Pelat, C. Turbelin, A.-J. Valleron); Université Paris Descartes, Paris (A. Bar-Hen); École des Hautes Études en Santé Publique, Paris (A. Flahault)

Main Article

Appendix Figure

Time series of search queries plotted along the incidence of 3 diseases (influenza-like illness, gastroenteritis, and chickenpox), 2004-2008. Black lines show trends of search fractions containing the French words for influenza (A), gastroenteritis (B), and chickenpox (C). Red lines show incidence rates for the 3 corresponding diseases (influenza-like illness, acute diarrhea, and chickenpox). Search fractions are scaled between 0 and 100 by Google Insights for Search's internal processes (5). In

Appendix Figure. Time series of search queries plotted along the incidence of 3 diseases (influenza-like illness, gastroenteritis, and chickenpox), 2004-2008. Black lines show trends of search fractions containing the French words for influenza (A), gastroenteritis (B), and chickenpox (C). Red lines show incidence rates for the 3 corresponding diseases (influenza-like illness, acute diarrhea, and chickenpox). Search fractions are scaled between 0 and 100 by Google Insights for Search's internal processes (5). Incidence rates are expressed in no. cases for 100,000 inhabitants, as provided by the Sentinel Network (4).

Main Article

Top of Page

 

Past Issues

Select a Past Issue:

Art in Science - Selections from Emerging Infectious Diseases
Now available for order



CDC 24/7 – Saving Lives, Protecting People, Saving Money. Learn More About How CDC Works For You…

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO