Presentation on theme: "EHealth 2011, Málaga, 21-23 November 20111 Event-based surveillance with MedISys Tracking Media Reports on the Shiga toxin-producing Escherichia coli O104:H4."— Presentation transcript:
eHealth 2011, Málaga, 21-23 November 20111 Event-based surveillance with MedISys Tracking Media Reports on the Shiga toxin-producing Escherichia coli O104:H4 outbreak in Germany 4 th ICST International Conference on eHealth 21-23 November 2011 Málaga, Spain Erik van der Goot & the OPTIMA team (OPensource Text Information Mining and Analysis ) European Commission – Joint Research Centre (JRC) Institute for the Protection and Security of the Citizen (IPSC) firstname.lastname@example.org
eHealth 2011, Málaga, 21-23 November 20112 Joint Research Centre (JRC) The European Commissions Research-Based Policy Support Organisation IPSC - Institute for the Protection and Security of the Citizen Ispra - Italy http://ipsc.jrc.ec.europa.eu/ http://www.jrc.ec.europa.eu/ JRC - who
eHealth 2011, Málaga, 21-23 November 20113 JRC - where
eHealth 2011, Málaga, 21-23 November 20114 MedISys - Overview Objective: Provide open source data collection and analysis for surveillance and epidemiology Replace manual scanning of multiple newspapers and web portals Support national and international Public Health organisations to monitor issues of Public Health concern (infectious diseases, CBRN threats, food & feed contaminations) Functionality: Gather, filter, classify, extract and aggregate health-related information Monitor trends, detect breaking news Visualise analysis results Alert users Allows customised views In combination with NewsDesk tool, allows manual moderation.
eHealth 2011, Málaga, 21-23 November 20115 Background - History Based on JRCs Europe Media Monitor (EMM) technology (EMM live since 2002; http://emm.newsbrief.eu). On request / initiative of the ECs Directorate General for Health and Consumer Protection (DG SANCO). Password-protected service for Public Health bodies since 2005. Public service since early 2007 (http://medisys.newsbrief.eu, restricted functionality).
eHealth 2011, Málaga, 21-23 November 20116 EMM/MediSys System Overview EMM Open Source Monitoring Engine EMM Newsbrief NewsDesk Service (a.k.a. RNS) Editorial Interface MediSys Newsbrief
eHealth 2011, Málaga, 21-23 November 20117 MediSys Today Some statistics Gathers approximately 100,000 new news articles per day In > 42 languages From ~ 3100 news portals world-wide (roughly 6500 pages/RSS feeds), plus 20 news wires and 370 specialist sites Classifies all news according to hundreds of subjects and countries. (~1400 category definitions, ~50.000 key word patterns and pattern combinations) 24 / 7: Runs 24 hours per day, 7 days a week. Started in 2002 90.000 hits per day for public MediSys But more importantly, 4500 visitors/day on the public site Developed, built, maintained and run by the JRC.
eHealth 2011, Málaga, 21-23 November 20118 Locations mentioned in MedISys medical articles across languages Italian - German Importance of multilingual information gathering English - French Spanish - Portuguese
eHealth 2011, Málaga, 21-23 November 20119 Taken from: Paquet, C., Coulombier, D., Kaiser, R., Ciotti, M. Epidemic intelligence: a new framework for strengthening disease surveillance in Europe. Euro Surveill. 11, 665 (2006). http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=665 Event-based surveillance & Epidemic intelligence
eHealth 2011, Málaga, 21-23 November 201111 Number of articles in the E. coli category per day (data from 1 May to 4 July 2011; all languages). E. coli outbreak in May 2011
eHealth 2011, Málaga, 21-23 November 201112 Timeline of early events 19 May : Robert-Koch-Institute was informed about a cluster of three cases of HUS in Hamburg. 21 May : MedISys detected the first media report in the newspaper Die Welt on Saturday 21 May at 12:14 CEST Several other articles followed the developing story in the afternoon. Altogether, 23 German news items triggered the MedISys E. coli category, of which 22 were about the outbreak (one irrelevant article was about the water quality in German lakes in the region Oberbergischer Kreis). Furthermore, there were two news reports in Farsi and one report in Mandarin; these reports were from the science pages of Iranian and Chinese newspapers and were not related to the outbreak. Due to the sudden increase in media reports on E.coli on Saturday, MedISys issued an automatic alert. 22 May : The Early Warning and Response System (EWRS) of the EU received a first communication by the German authorities on Sunday 22 May at 11:40.
eHealth 2011, Málaga, 21-23 November 201115 Number of articles in the E. coli category published in: Luxembourg (LU), Sweden (SE), France (FR), Russia (RU), Spain (ES) and Germany (DE) Country of publication
eHealth 2011, Málaga, 21-23 November 201116 Main events sudden rise on articles in Germany (21-25 May), when the first cases became public, a peak with articles on a Swedish tourist group who got infected in Lower Saxony (26 May). the reporting on alleged E. coli contaminations in Spanish cucumber, tomatoes and salad (peak on 27 May with 107 articles), the reporting on the financial impact on Spanish farmers and the announcement that Spanish cucumbers had tested negative for E. coli (peak on 31 May with 300 articles), the discussion on trade restrictions in Russia for EU vegetable products (peak on 2 June), the announcements by German authorities that bean sprouts were the source of infection (rise in volume on 5-10 June), the E.coli cluster of cases in Bordeaux, France (peak on 16 June with 203 articles), and the reporting on fenugreek seeds imported from Egypt in 2009 and 2010 (from end of June on).
eHealth 2011, Málaga, 21-23 November 201117 Number of articles in the E.coli category that also mention one of the entities Robert Koch Institute, Commissioner John Dalli, European Commission, ECDC and EFSA. Entity extraction
eHealth 2011, Málaga, 21-23 November 201118 Conclusions: E.coli outbreak in May 2011 Early media reports on the E.coli outbreak in May 2011 were identified quickly and accurately; an alert was published on Saturday 21st of May via MedISys. Media monitoring was used to identify key aspects of the developing story which were further disseminated, e.g. in reports for the European Commission. Since MedISys covers both general media and official sites, users were able to analyze their reports in parallel.
eHealth 2011, Málaga, 21-23 November 201119 NewsDesk Screenshot Feeds (in a directory) Articles (in a feed) Newsletter
eHealth 2011, Málaga, 21-23 November 201120 MedISys – Current subscribers and users include … Supranational organisations Directorate General Health and Consumer Protection (SANCO) European Centre for Disease Control, Stockholm (ECDC) European Food Safety Authority (EFSA) World Health Organisation (WHO) National Public Health organisations EU27 public health authorities & ministries of health Global Public Health Intelligence Network ( Canada ) National Institute of Infectious diseases ( Japan ) The (general?) public Currently ~ 5000 visitors, ~ 100000 hits per day on public system You? http://medisys.newsbrief.eu
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