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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).