National Seasonal Influenza Vaccination Survey in Europe, 2008 Mereckiene, J and Cotter, S and Nicoll, A and Lévy-Bruhl, D and Ferro, A and Tridente, G and Zanoni, G and Berra, P and Salmaso, S and O'Flanagan, D and O’Flanagan, D and on behalf of the VENICE 2 project gatekeepers group, Collective, Eurosurveillance, 13, 19017 (2008), https://doi.org/10.2807/ese.13.43.19017-en