Influenza pandemic (H1N1) 2009 activity during summer 2009. Effectiveness of the 2008-9 trivalent vaccine against pandemic influenza in Spain.

Impact of flu on hospital admissions during 4 flu seasons in Spain, 2000-2004

Early estimates of the effectiveness of the 2011/12 influenza vaccine in the population targeted for vaccination in Spain, 25 December 2011 to 19 February 2012

La vigilancia de la gripe. Nuevas soluciones a un viejo problema

Effectiveness of the 2010/11 seasonal trivalent influenza vaccine in Spain: preliminary results of a case-control study

Increased influenza activity in Spain from mid-December 2004

Transmisibilidad y gravedad de la pandemia de gripe A(H1N1)2009 en España

Effectiveness of influenza vaccine against laboratory-confirmed influenza, in the late 2011-2012 season in Spain, among population targeted for vaccination

Using surveillance data to estimate pandemic vaccine effectiveness against laboratory confirmed influenza A(H1N1)2009 infection: two case-control studies, Spain, season 2009-2010

Influenza vaccine effectiveness in Spain 2013/14: subtype-specific early estimates using the cycEVA study