RT Journal Article SR Electronic(1) A1 Castilla, Jesús A1 Navascués, Ana A1 Fernández-Alonso, Mirian A1 Reina, Gabriel A1 Albéniz, Esther A1 Pozo, Francisco A1 Álvarez, Nerea A1 Martínez-Baz, Iván A1 Guevara, Marcela A1 García-Cenoz, Manuel A1 Irisarri, Fátima A1 Casado, Itziar A1 Ezpeleta, Carmen A1 Primary Health Care Sentinel Network and Network for Influenza Surveillance in Hospitals of Navarra YR 2016 T1 Effects of previous episodes of influenza and vaccination in preventing laboratory-confirmed influenza in Navarre, Spain, 2013/14 season JF Eurosurveillance VO 21 IS 22 SP 30243 OP DO https://doi.org/10.2807/1560-7917.ES.2016.21.22.30243 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2016.21.22.30243