www.eurosurveillance.org Vol. 18 | Weekly issue 05 | 31 January 2013 Europe’s journal on infectious disease epidemiology, prevention and control RAPID COMMUNICATIONS Efectiveness of seasonal 2012/13 vaccine in preventing laboratory-confrmed infuenza infection in primary care in the United Kingdom: mid-season analysis 2012/13 2 by J McMenamin, N Andrews, C Robertson, DM Fleming, H Durnall, B von Wissmann, J Ellis, A Lackenby, S Cottrell, B Smyth, M Zambon, C Moore, JM Watson, RG Pebody Interim estimates of infuenza vaccine efectiveness in 2012/13 from Canada’s sentinel surveillance network, January 2013 7 by DM Skowronski, NZ Janjua, G De Serres, JA Dickinson, A Winter, SM Mahmud, S Sabaiduc, JB Gubbay, H Charest, M Petric, K Fonseca, P Van Caeseele, TL Kwindt, M Krajden, A Eshaghi, Y Li SURVEILLANCE AND OUTBREAK REPORTS Decline in infuenza vaccine efectiveness with time afer vaccination, Navarre, Spain, season 2011/12 17 by J Castilla, I Martínez-Baz, V Martínez-Artola, G Reina, F Pozo, M García Cenoz, M Guevara, J Morán, F Irisarri, M Arriazu, E Albéniz, C Ezpeleta, A Barricarte, Primary Health Care Sentinel Network, Network for Influenza Surveillance in Hospitals of Navarre Vaccine efectiveness of 2011/12 trivalent seasonal infuenza vaccine in preventing laboratory-confrmed infuenza in primary care in the United Kingdom: evidence of waning intra-seasonal protection 25 by RG Pebody, N Andrews, J McMenamin, H Durnall, J Ellis, CI Thompson, C Robertson, S Cottrell, B Smyth, M Zambon, C Moore, DM Fleming, JM Watson Low and decreasing vaccine efectiveness against infuenza A(H3) in 2011/12 among vaccination target groups in Europe: results from the I-MOVE multicentre case–control study 33 by E Kissling, M Valenciano, A Larrauri, B Oroszi, JM Cohen, B Nunes, D Pitigoi, C Rizzo, J Rebolledo, I Paradowska-Stankiewicz, S Jiménez-Jorge, JK Horváth, I Daviaud, R Guiomar, G Necula, A Bella, J O’Donnell, M Gluchowska, BC Ciancio, A Nicoll, A Moren