BioMosaic : Mapping the intersection of migration, demography and emerging infectious disease
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Transcript of BioMosaic : Mapping the intersection of migration, demography and emerging infectious disease
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BioMosaic: Mapping the intersection of migration,
demography and emerging infectious disease
David Scales MD PhDResearch Fellow, Children’s Hospital Boston
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Public
Public healthpractitioners
Local Officials Labs
Ministry of Health
World Bodies(UN, WHO, FAO, OIE)
Healthcare workers,Clinicians
Web-basedEpidemic
Intelligence
Traditional PublicHealth Reporting
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1996 Year 1997
Year 1998
Year 1999
2000 Year 2001
Year 2002
Year 2003
2004 Year 2005
Year 2006
Year 2007
2008 Year 2009
0
50
100
150
200
Time from outbreak start to outbreak discovery
Year of Outbreak Start
Tim
e in
Day
s
167 days
20 days
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AcquisitionOver 50,000 sites, every hour, 24/7 Seven languages – English, French, Spanish, Russian, Chinese, Portuguese, Arabic
HealthMap Article Processing1
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Aravaging through two regions in northern since May…
Extraction> 600 alerts per day1800 disease patterns, 5000 locations
HealthMap Article Processing2
cholera outbreak
Cameroon
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Categorization6 million phrases, 91% accuracy
HealthMap Article Processing3
Breaking News
Warning
Old News
Context
Not Disease Related
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AggregationText matching, Similarity Score, Significance Rating
HealthMap Article Processing4
Breaking News
Warning
Old News
Context
Not Disease Related
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BioMosaic: Focus
Demo-graphy
Migration
Foreignborn
Health
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Why Foreign Born?• CDC Division of Global Migration and
Quarantine• Initially high infectious disease risk– Tuberculosis– Migration – visits to or visitors from home country– Rates of ID decline to native-born levels as length of
stay in US increases• Initially low chronic disease risk– Diabetes, obesity risk increases with US residence
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Demography
• US Census – ACS 2005-2009• Foreign-born socio-economic variables– Population (by age, sex, country of birth)– Education– Income/poverty– Migration (Arrival in US, movement within US)– English speaking ability
• Geospatial queries
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Migration
• International Air Transport Association data obtained by BioDiaspora– License restrictions limit public use
• Top US destinations receiving international arrivals– Sort to see which cities receive most people from
particular countries
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Health
• HealthMap events– Infectious disease events reported by WHO,
ProMed, newspapers, user submissions– Updated every hour
• Choose by disease, timeframe, data source• Geospatial queries• Other health data – Tuberculosis, obesity, etc.
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Use-Case Scenario
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BioMosaic Prototype(s)
• Web application
• iPad application
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BioMosaic: Team
• HealthMap– John Brownstein– Chris Mahlke– David Scales
• BioDiaspora– Rose Eckhardt– Kamran Kahn– Langhi Shen– Graham Smith
• CDC/DGMQ• Marty Cetron• Nancy Gallagher• Yoni Haber• Ginny Lee• Kevin Liske• Clelia Pezzi• Alfonso Rodriguez