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HealthMap.org: Aggregation of Online Media Reports for Global Infectious Disease Intelligence / Forum One Web Executive Seminar

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Forum One
Forum One

Clark Freifeld, co-creator of HealthMap.org, discusses the potential of his Google Map mashup of publically-available RSS feeds (and tools like it) for improving the early reporting of infections diseases around the world. More information at http://ow.ly/oYll . Contact: Suzanne Rainey / srainey@ForumOne.com .

TecnologiaSaúde e medicina
1 de 37
Aggregation of online media reports for global infectious disease intelligence Clark Freifeld Research Software Developer Harvard Medical School Children’s Hospital Informatics Program Harvard-MIT Division of Health Sciences and Technology
Early reporting of SARS Nov 2002 Mar 2003 Progression of outbreak Electronic Surveillance Cases of atypical pneumonia Foshan Nov 16th Infected Chinese Doctor Hong Kong hotel Feb 21st 305 Cases of acute resp Guangdong Province Feb 11th Pharma report Guangdong Province November 27 Media reports Guangdong Province Feb 10 Astute physician on ProMED Feb 10 Initial WHO Report Feb 25 Official WHO Report March 10
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Source of outbreak news verified by WHO Adapted from Heymann 2001
Limitations of Web-based surveillance ,[object Object],[object Object],[object Object],[object Object],[object Object],Brownstein et al. Institute of Medicine. 2007.
www.healthmap.org
HealthMap Objectives ,[object Object],[object Object],[object Object],[object Object]
HealthMap Article Processing EXTRACTION 8 Feeds;>10,000 sites Every hour; 24/7 TEXT MINING 1500 disease patterns 4000 location patterns BAYES FILTERING >5 million phrases 90-94% accuracy DUPLICATE ID Text Matching Similarity Score
 
 
 
 
Emerging Disease Surveillance Current Lyme disease (Brownstein et. al. Env Health Perspectives) 2020 2050 2080 West Nile virus (Brownstein et. al. Emerging Infectious Diseases)
 
Implementation Background ,[object Object],[object Object],[object Object],[object Object],[object Object]
Evolving Systems and Datasets - Challenges ,[object Object],[object Object],[object Object],[object Object], Evaluating statistical characteristics of data is a first step
Data Quality ,[object Object],[object Object],[object Object],[object Object],Specificity Reliability Timeliness
Data Quality ,[object Object],[object Object],[object Object],[object Object],Timeliness Specificity Reliability
Data Quality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Timeliness Specificity Reliability
Data Quality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Timeliness Specificity Reliability
Alert Volume by Source ,[object Object],[object Object],[object Object]
Multi-Stream Alarming: Heat Index ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],low high
www.healthmap.org
Geographic Representation ,[object Object],[object Object],[object Object],[object Object],[object Object]
Multi-lingual Surveillance
 
Coverage Comparison: Argentina ,[object Object],[object Object],[object Object]
Coverage Comparison: Argentina ,[object Object],[object Object],[object Object],[object Object],[object Object]
Case Study: Legionnaire’s in Spain June 30th Google (ES) Alert Alert #1 July 2nd ProMED-mail Alert Alert #2 July 4th Google (EN) Alert Alert #3
Early Stats ,[object Object],[object Object],[object Object],[object Object]
Usage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Public Health Resource
Various implementations International Society for Infectious Disease Liberty Science Museum, NYC HHS Command Center
Tool for general population
Future Directions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Acknowledgments ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Contact ,[object Object],[object Object],[object Object]

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HealthMap.org: Aggregation of Online Media Reports for Global Infectious Disease Intelligence / Forum One Web Executive Seminar

  • 1. Aggregation of online media reports for global infectious disease intelligence Clark Freifeld Research Software Developer Harvard Medical School Children’s Hospital Informatics Program Harvard-MIT Division of Health Sciences and Technology
  • 2. Early reporting of SARS Nov 2002 Mar 2003 Progression of outbreak Electronic Surveillance Cases of atypical pneumonia Foshan Nov 16th Infected Chinese Doctor Hong Kong hotel Feb 21st 305 Cases of acute resp Guangdong Province Feb 11th Pharma report Guangdong Province November 27 Media reports Guangdong Province Feb 10 Astute physician on ProMED Feb 10 Initial WHO Report Feb 25 Official WHO Report March 10
  • 3.
  • 4. Source of outbreak news verified by WHO Adapted from Heymann 2001
  • 5.
  • 7.
  • 8. HealthMap Article Processing EXTRACTION 8 Feeds;>10,000 sites Every hour; 24/7 TEXT MINING 1500 disease patterns 4000 location patterns BAYES FILTERING >5 million phrases 90-94% accuracy DUPLICATE ID Text Matching Similarity Score
  • 9.  
  • 10.  
  • 11.  
  • 12.  
  • 13. Emerging Disease Surveillance Current Lyme disease (Brownstein et. al. Env Health Perspectives) 2020 2050 2080 West Nile virus (Brownstein et. al. Emerging Infectious Diseases)
  • 14.  
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 22.
  • 24.
  • 26.  
  • 27.
  • 28.
  • 29. Case Study: Legionnaire’s in Spain June 30th Google (ES) Alert Alert #1 July 2nd ProMED-mail Alert Alert #2 July 4th Google (EN) Alert Alert #3
  • 30.
  • 31.
  • 33. Various implementations International Society for Infectious Disease Liberty Science Museum, NYC HHS Command Center
  • 34. Tool for general population
  • 35.
  • 36.
  • 37.

Notas do Editor

  1. Surveillance sans frontières: Internet-based emerging infectious disease intelligence