RT Journal Article SR Electronic(1) A1 Domínguez, Angela A1 Soldevila, Núria A1 Toledo, Diana A1 Godoy, Pere A1 Espejo, Elena A1 Fernandez, Maria Amelia A1 Mayoral, José María A1 Castilla, Jesús A1 Egurrola, Mikel A1 Tamames, Sonia A1 Astray, Jenaro A1 Morales-Suárez-Varela, María A1 the Working Group of the Project PI12/02079 YR 2017 T1 The effectiveness of influenza vaccination in preventing hospitalisations of elderly individuals in two influenza seasons: a multicentre case–control study, Spain, 2013/14 and 2014/15 JF Eurosurveillance VO 22 IS 34 SP 30602 OP DO https://doi.org/10.2807/1560-7917.ES.2017.22.34.30602 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2017.22.34.30602