Information system of European Centre for Disease Prevention and Control

The European Surveillance System (TESSy)

– Strengthening the infectious disease surveillance in Europe Per Rolfhamre, Surveillance Unit,

European Centre for Disease Prevention and Control

Istanbul, 25 September, 2009

The European Surveillance System (TESSy)- Surveillance Unit

• Support strengthening of national surveillance systems

• Establish EU-wide standard case reporting

• Monitor trends of diseases across Europe to provide a rationale for public health actions in MS

• Disseminate the results to stakeholders for timely public health actions at EU and MS level

• Coordinate the integrated operations of the Dedicated Surveillance Networks

The European Surveillance System (TESSy)- Starting point

• List of 47 notifiable diseases + AMR+ nosocomial infections

• 17 dedicated surveillance networks (DSNs):• Cover 20 diseases (+ 3 not on the list)

• 27 Member States + 3 EEA/EFTA with their own surveillance systems• Mandatory, voluntary• Population based, sentinel• Data from laboratories, physicians, hospitals• Case-based, aggregated• Sometimes more than one system per disease per country

The European Surveillance System (TESSy)- Starting point

MS

MS

MS

MS

MS

MS

MS

MS

MS

MS

MS

MS

MS

DSN

DSN

DSN

DSN

DSN

DSN

DSN

DSN

DSN

DSN

DSN

Impact for member states

• Huge workload• Different interfaces

for data upload• Different database

formats

Impact for DSN hubs• Data cleaning

effort for all member states

• Feedback for all member states

The European Surveillance System (TESSy)- One-stop-shop

MS

National institutes

Disease experts

General public

AF members

MB members

WHO

EMCDDA

EFSA

Others

…

TESSy

Data

uplo

ad a

nd

acc

ess

Data

acce

ss

MSs Data users

The European Surveillance System

MS

MS

MS

MS

MS

MS

MS

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MS

The European Surveillance System (TESSy)- Architecture

WEB TIER

IIS 6

ASP.NET

SQL Server Reporting Services 2005 (SSRS)

Active Directory Federation Services (ADFS)

DATA TIER

SQL Server 2005

SQL Server Integration Services 2005 (SSIS)

Active Directory

.NET

The European Surveillance System (TESSy)- Architecture

Access Point

Move freely

between systems

User management

Standardization of terms

Nomination

management

The European Surveillance System (TESSy)- Upload formats

XML and CSV

The European Surveillance System (TESSy)- Manual data entry

The European Surveillance System (TESSy)- Validation results

The European Surveillance System (TESSy)- Getting data out…

The European Surveillance System (TESSy)- Time line and some numbers…

Oct 2006 – TESSy development started Jan 2008 – TESSy grand opening Jan 2008 to Sept 2009

– 450 TESSy users trained on-site– Eight hours of on-line training material– Data on 47 diseases for 30/53 countries collected– 3573 files uploaded– 3.45 million cases reported– 11.5 million validation messages produced