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Figure 1 | BMC Public Health

Figure 1

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

Figure 1

Time series of Austrian syndromic surveillance and reference data and documentation of Poisson CUSUM signals, week 36 (30.8.) to 52 (31.12.) in 2009. a) EMD-AT: Emergency Medical Dispatch, Tyrol, Austria. b) EP-AT: Emergency Physician Service (ambulances), Tyrol, Kufstein, Austria.

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