Eurosurveillance
Volume 20, Issue 5, 05 February 2015
http://www.eurosurveillance.org/Public/Articles/Archives.aspx?PublicationId=11678

Editorials
Influenza – the need to stay ahead of the virus
by S van der Werf, D Lévy-Bruhl

Rapid communications
Low effectiveness of seasonal influenza vaccine in preventing laboratory-confirmed influenza in primary care in the United Kingdom: 2014/15 mid–season results
by RG Pebody, F Warburton, J Ellis, N Andrews, C Thompson, B von Wissmann, HK Green, S Cottrell, J Johnston, S de Lusignan, C Moore, R Gunson, C Robertson, J McMenamin, M Zambon

Reduced cross-protection against influenza A(H3N2) subgroup 3C.2a and 3C.3a viruses among Finnish healthcare workers vaccinated with 2013/14 seasonal influenza vaccine
by A Haveri, N Ikonen, I Julkunen, A Kantele, VJ Anttila, E Ruotsalainen, H Nohynek, O Lyytikäinen, C Savolainen-Kopra

Research articles
Interim estimates of 2014/15 influenza vaccine effectiveness in preventing laboratory-confirmed influenza-related hospitalisation from the Serious Outcomes Surveillance Network of the Canadian Immunization Research Network, January 2015
by SA McNeil, MK Andrew, L Ye, F Haguinet, TF Hatchette, M ElSherif, J LeBlanc, A Ambrose, A McGeer, JE McElhaney, M Loeb, D MacKinnon-Cameron, R Sharma, G Dos Santos, V Shinde, on behalf of the Investigators of the Serious Outcomes Surveillance Network of the Canadian Immunization Research Network (CIRN)