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Table 1 Properties of the syndromic surveillance data sets

From: Validity and timeliness of syndromic influenza surveillance during the autumn/winter wave of A (H1N1) influenza 2009: results of emergency medical dispatch, ambulance and emergency department data from three European regions

  

Geographical specification of the data source

   

Abbreviation of the data source

Data source

Country

Region

City/District

Population served (approx.)

Data provider

Baseline period*

EMD-AT

Emergency Medical Dispatch

Austria

Tyrol data source covers 3 of 9 districts in Tyrol

Innsbruck city, Innsbruck district, Kufstein district

380,000

Dispatch Centre Tyrol

1/2005-12/2008

Except cases from December to March each year.

EP-AT

Emergency Physician service (ambulances)

Austria

Tyrol

Kufstein district

99,000

Dispatch Centre Tyrol

1/2006-12/2008

Except cases from November to March each year.

EP-BE

Emergency Physician service (ambulances)

Belgium

  

10,500,000

Ministry of Health, Belgium

3/2009-8/2009

ED-BE

Emergency Department

Belgium

Flemish Brabant

Leuven

a. 91,000 (Leuven) b. 1,000,000 (reference hospital for the region Flemish Brabant)

University Hospital Leuven

3/2009-8/2009

ED-ES

Emergency Department

Spain

Autonomous Region Cantabria

Santander

a. 300,000 (Santander) b. 580,000 (reference hospital for the Autonomous Region Cantabria)

University Hospital Marqués de Valdecilla

8/7/2009-30/8/2009

  1. *Baseline period = period which was used for the adjustment of the aberration detection algorithm (Poisson CUSUM).