Broberg, E.Snacken, R.Adlhoch, C.Beauté, J.Galinska, M.Pereyaslov, D.Brown, C.Penttinen, P.WHO European Region and European Influenza Surveillance Network2016-02-182016-02-182015-01-29Euro Surveill. 2015 Jan 29;20(4). pii: 21023. doi:10.2807/1560-7917.ES2015.20.4.210231560-7917http://hdl.handle.net/10400.18/3431Members of the WHO European Region and European Influenza Surveillance Network: Portugal: Raquel Guiomar, Pedro Pechirra, Paula Cristovão, Inês Costa, Baltazar Nunes, Ana Rodrigues.The influenza season 2014/15 started in Europe in week 50 2014 with influenza A(H3N2) viruses predominating. The majority of the A(H3N2) viruses characterised antigenically and/or genetically differ from the northern hemisphere vaccine component which may result in reduced vaccine effectiveness for the season. We therefore anticipate that this season may be more severe than the 2013/14 season. Treating influenza with antivirals in addition to prevention with vaccination will be important.engDeterminantes da Saúde e da DoençaObservação em Saúde e VigilânciainfluenzaSeason 2014/15Infecções RespiratóriasA(H3N2)Gripejournal article10.2807/1560-7917.ES2015.20.4.21023