Abstract
We reviewed the case definitions used by 21 influenza sentinel-based surveillance networks in Western Europe. Two clinical syndromes were used with a wide range of case definitions that nevertheless shared common criteria. Although there is currently no international consensus, efforts are being undertaken to standardise influenza case definitions in Europe.
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Aguilera, J., Paget, W., Mosnier, A. et al. Heterogeneous case definitions used for the surveillance of influenza in Europe. Eur J Epidemiol 18, 751–754 (2003). https://doi.org/10.1023/A:1025337616327
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DOI: https://doi.org/10.1023/A:1025337616327