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
Domínguez, Angela and Soldevila, Núria and Toledo, Diana and Godoy, Pere and Espejo, Elena and Fernandez, Maria Amelia and Mayoral, José María and Castilla, Jesús and Egurrola, Mikel and Tamames, Sonia and Astray, Jenaro and Morales-Suárez-Varela, María and the Working Group of the Project PI12/02079, Eurosurveillance, 22, 30602 (2017), https://doi.org/10.2807/1560-7917.ES.2017.22.34.30602