Kissling, EstherRose, AngelaEmborg, Hanne-DortheGherasim, AlinPebody, RichardPozo, FranciscoTrebbien, RamonaMazagatos, ClaraWhitaker, HeatherValenciano, Marta2020-05-242020-05-242019-01-011560-79173080844010.2807/1560-7917.ES.2019.24.1900121http://hdl.handle.net/10029/623774enEuropeinfluenzamulticentre studytest-negative designvaccinationvaccine effectivenessvaccines and immunisationInterim 2018/19 influenza vaccine effectiveness: six European studies, October 2018 to January 2019.ArticleEuro Surveill 2019;24(8):pii=1900121