Savulescu, CameliaJimenez-Jorge, SilviaMateo-Ontañon, Salvador deLedesma, JuanPozo Sanchez, FranciscoCasas Flecha, InmaculadaLarrauri, Amparo2020-02-032020-02-032011-03-17Euro Surveill. 2011 Mar 17;16(11). pii: 19820.1560-7917http://hdl.handle.net/20.500.12105/9010We present preliminary results of a case-control study to estimate influenza vaccine effectiveness in Spain, from week 50 of 2010 to week 6 of 2011. The adjusted effectiveness of the vaccine in preventing laboratory-confirmed influenza due to any type of influenza virus was 50% (95% CI: -6 to 77%) for the trivalent seasonal vaccine and 72% (95% CI: 7 to 92%) for both trivalent seasonal and monovalent pandemic vaccines, suggesting a protective effect of seasonal vaccination lower than that reported for the previous season.engVoRhttp://creativecommons.org/licenses/by/4.0/AdolescentAdultAgedAtribución 4.0 Internacional21435330161110.2807/ese.16.11.19820-en1560-7917Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletinopen access