google gadget for influenza surveillance
TRANSCRIPT
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1 Chan TC et al. 1
Case study:Case study:Google gadget for influenza surveillanceGoogle gadget for influenza surveillance
Where is the flu?Where is the flu?
Ta-Chien Chan, Peggy Lee, Chwan-Chuen King
Institute of Epidemiology, National Taiwan University
PRINCE MAHIDOL AWARD CONFERENCE 2010
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OutlineOutline
Background Aims of the project
Implementation
Preliminary Results
Discussion & Future Work
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BackgroundBackground Lessons from Typhoon Morakot during
August 8, 2009
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Southern
Taiwan
We are all at here!!We are all at here!!
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ProblemsProblems
Official reaction was slow, disorganized Unable to manage the crisis at its critical
beginning stages
Unofficial efforts occurred Activity was organized by volunteers
Use web-based methods to plot the currentneeds and situation of each known place onthe Google map
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Volunteers based reportingVolunteers based reporting
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InspirationInspiration
These successful interventions providedinspiration for a citizen-powered, web-based surveillance system for emerging
infectious diseases such as the 2009influenza pandemic.
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Aims of the projectAims of the project An informal surveillance system
utilizing bi-directional communication betweenresearchers, public health workers, and the publics.
The target population Citizens Added values: latest flu news and health education
(risk communication)
Reported flu cases in their surrounding environment
Easy to assess and manage Free software
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ImplementationImplementation Three priorities of choosing the platform Free, Accessible to the public,
Easily maintained
Solutions Google gadgets Google web page
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Technical structure of our systemTechnical structure of our system
Core Applications
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How it works in the website ?How it works in the website ?
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Temporal trend of reportedTemporal trend of reported
casescases
Reported Cases
Reported Cases/Population
International
Epidemics
1. Maps of world flu epidemic by WHO
2. Health Map
3. WWMR. by U.S. CDC
4. Japan surveillance by NIID
5. European Union Surveillance
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International epidemicsInternational epidemics
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EpiEpi. Features of reported cases. Features of reported cases
in last 7 daysin last 7 daysDifferent percentage of ILI
symptoms, such as fever,
cough
Different distribution of
age
Possible infected sites,such as schools, work
places, homes,
transportation
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Google gadget embedded in theGoogle gadget embedded in the
websitewebsite
Cases Report & Latest NewsCases Report & Latest News
Latest News
Health Education
Cases Report
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Movies (Health Education)Movies (Health Education)
YoutubeYoutube
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Health EducationHealth Education(Gadget feeding, Manually maintained)(Gadget feeding, Manually maintained)
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Keywords search in Google TrendsKeywords search in Google Trends
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Hospitalized flu casesHospitalized flu cases
maintained by TWmaintained by TW--CDCCDC
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Scientific researchScientific research
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Flu shot finder in Taipei CityFlu shot finder in Taipei City
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How it works in the Gadget ?How it works in the Gadget ?
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Functions of Google gadgetFunctions of Google gadget
Flu News Health Education Cases Reporting
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Google gadget in YourGoogle gadget in Your iGoogleiGoogle
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Management in Google spreadsheetManagement in Google spreadsheet
Databases & Symbology settingDatabases & Symbology setting
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Formula of attack rateFormula of attack rate Susceptible population
Infected population
Anonymous reporting duplicated
reporting Summation across all ages
Dynamic calculation on last 7 days
=
=
n
i
i
n
i
i
Population
ILI
1
1
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Preliminary ResultsPreliminary Results From Dec 17, 2009 to Jan 14, 2010, the
overall site visits are 2,707 visits Around 120 visitors per day
Among all page views, iGoogle Gadgetviews accounted for 82.97% page viewsand Gadget in the site accounted for
2.17% page views The new visitors are gradually increasing
everyday
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Site usageSite usage
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Gadget usageGadget usage
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Types of ReportingTypes of Reporting From late September to December, there
are only 53 persons reported.
The most of the reporting is from the
students (63%). It still needs further promotion to the
teachers, students, parents
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PromotionPromotion
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News PromoteNews Promote
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FacebookFacebook
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Future WorkFuture Work Flexibility on creating the new symptoms
Not only influenza
Other diseases like GI tract, vector-borne diseases
Multi-languages Gadget Localized system
We provided free platform for the interestedcountries to maintain and update the contents
Mobile application in the Africa
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Gadget in SmartphoneGadget in Smartphone
Latest Flu NewsLatest Flu News Health EducationHealth Education Case ReportingCase Reporting
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Contact information:Ta-Chien Chan
E-mail: [email protected]
(Thank You)
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