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1 Global Public Health Intelligence Network (GPHIN) Reseau Mondial d’Information en Santé Publique (RMISP) Michael Blench GPHIN Technical Advisor & Project Coordinator
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Global Public Health Intelligence Network(GPHIN)
Reseau Mondial d’Information en Santé Publique(RMISP)
Michael BlenchGPHIN Technical Advisor & Project Coordinator
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GPHIN - Backgroundq An early-warning system for potential public health threats
worldwide
q Monitors global media sources in nine languages (Arabic, Chinese Simplified and Traditional, English, Farsi, French,
Portuguese, Russian and Spanish)
q Gathers relevant information in near real-time and on a 24/7 basis; sends GPHIN alerts to users when appropriate
q Web based (‘thin client’)• password protected
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Tim
e(D
ays
\Wee
ks /
Mo
nth
s)
Ministry of Health
WHO
GPHIN Complements the Public Health Surveillance Systems
•Regional / International level– Analysis and Feedback.
Support– Policy, target funding
•Central level– Analyze, Investigate,
Confirm, Plan, Fund, Respond, Feedback
•Intermediate level– Analyze, Investigate,
Report, Respond, Feedback
•Peripheral level– Detect, Treat, Report
GPHIN – Early Warning System
Tim
e(D
ays
\Wee
ks /
Mo
nth
s)T
ime
(Day
s \W
eeks
/ M
on
ths)
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GPHIN’s Modus Operandi
Information on Public Health Risks
Intelligence on Public Health
Risks
Detection by
GPHIN
Dissemination by
GPHINVerification by
users
Timeline: Hours – Days
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GPHIN Taxonomy? Human diseases – SARS, H1N1
? Animal diseases – Ebola in pigs
? Plant diseases – Asian soybean rust
? Other biologics – Pathogens
? Chemical incidents – Chlorine spill
? Radioactive incidents – Nuclear material trafficking
? Unsafe products – Salmonella, Listeria
? Natural disasters – Tsunami 2004, Sichuan earthquake
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GPHIN's Versatility : Information for Action
q Detect potential public health threats
q Estimate magnitude of the public health threatq Determine geographic distribution of public
health threat
q Identify control and preventative measures
considered and implementedq Monitor concerns of the general public q Observe situational politics
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Multilingual Real Time IntelligenceRendering
MultilingualSources
NewsMedia
DuplicateElimination
Translation
MetadataInsertion(Taxonomy)
Categorization
RelevancyScore
Data Collection Advanced Analytics
Automated / Manually Entered
En
Fr
Es
Ru
Ar
Zhs
Zht
Pt
Fa
0
20
85
100
3. Irrelevant
Manual Analysis Triage:
2. Publish withalert
1.Publish
or
or
Irrelevant
Publish
GPHIN Workflow
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Analyst’s Responsibilities• Review reports for public health relevance and
disseminate alerts• Monitor events of concern• Maintain:
– Search syntaxes– taxonomy and data dictionaries– Ministry of Health Website links
• Prepare reports• Respond to inquiries / requests from GPHIN Users• Identify any technical difficulties to be addressed• Duty Officer
GPHIN’s early reporting of A/H5N1 virus in Iran
2005-0
9-13
2005
-09-18
2005-0
9-23
2005
-09-28
2005-1
0-03
2005-1
0-08
2005
-10-13
2005
-10-18
2005
-10-23
2005-1
0-28
2005
-11-02
2005-1
1-07
2005
-11-12
2005-1
1-17
2005
-11-22
2005-1
1-27
2005-1
2-02
2005-1
2-07
2005-1
2-12
2005
-12-17
2005-1
2-22
2005
-12-27
2006-0
1-01
2006
-01-06
2006-0
1-11
2006
-01-16
2006
-01-21
2006
-01-26
2006-0
1-31
2006-0
2-05
2006
-02-10
September 13, 2005: First media report of avian influenza in birds in Iran.
Time Line (days)
Initial report about the presence of avian influenza in birds in Iran - not confirmed by Iranian officialsMedia reports about the presence of avian influenza in birds in Iran - not confirmed by Iranian officials
Media report about the presence of avian influenza in birds in Iran - confirmed by Iranian officials
February 14, 2006: Iran officials confirm the presence of A/H5N1 in swans.
October 6, 2005: Media report states that Minister of Agriculture notified Vice-President that chicken farms are contaminated with the lethal bird flu strain.
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GPHIN’s early reporting of A/H1N1, Mexico
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Source: Epidemic alert and verification: summary report 2006. Wkly Epidemiol Rec. 2007;82:111–6.
GPHIN's contribution in reporting disease events at WHO
Verification status of events by initial reporting source, 1 January - 31 December 2006 (n=279)
0
20
40
60
80
100
120
140
160
News Media Official Other
Report Source
Num
ber
of E
vent
s
Discarded
Unverified
Verified
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GPHIN Users - International
v World Health Organization (WHO)v UN Food and Agriculture Organization (FAO)v World Organization for Animal Health (OIE)v European Commission (EC)v European Centre for Disease Prevention and Control
(ECDC)v US Centers for Disease Control and Prevention (CDC)v Government Institutions of various countries: Algeria,
Australia, Brazil, China, France, India, Italy, Germany, Mexico, Netherlands, Switzerland, United Kingdom, United States
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Next Steps
• Strengthen linkages within PHAC program areas• Expand news sources
• Improve system robustness• Technology shift to accommodate images, sounds
and video
• GIS• More visualizations (‘dashboards’)
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Contact information:
Michael BlenchPhone: (613) 957-3567
Email:[email protected]
Merci / Thank You
