Effectiveness of the trivalent influenza vaccine in Navarre, Spain, 2010–2011: a population-based test-negative case–control study

Efficacy and effectiveness of influenza vaccines: a systematic review and meta-analysis

(2011) Michael T Osterholm et al.   LANCET INFECTIOUS DISEASES

I-MOVE Multi-Centre Case Control Study 2010-11: Overall and Stratified Estimates of Influenza Vaccine Effectiveness in Europe

(2011) Esther Kissling et al.   PLoS One

Vaccine effectiveness in preventing influenza hospitalizations in Navarre, Spain, 2010–2011: Cohort and case–control study

(2011) Jesús Castilla et al.   VACCINE

Study designs for timely estimation of influenza vaccine effectiveness using European sentinel practitioner networks

(2010) Marta Valenciano et al.   VACCINE

Effectiveness of seasonal 2008–2009, 2009–2010 and pandemic vaccines, to prevent influenza hospitalizations during the autumn 2009 influenza pandemic wave in Castellón, Spain. A test-negative, hospital-based, case–control study

(2010) Joan Puig-Barberà et al.   VACCINE

Immune response after a single vaccination against 2009 influenza A H1N1 in USA: a preliminary report of two randomised controlled phase 2 trials

(2009) Eric Plennevaux et al.   LANCET

A Novel Influenza A (H1N1) Vaccine in Various Age Groups

(2009) Feng-Cai Zhu et al.   NEW ENGLAND JOURNAL OF MEDICINE

Trial of 2009 Influenza A (H1N1) Monovalent MF59-Adjuvanted Vaccine

(2009) Tristan W. Clark et al.   NEW ENGLAND JOURNAL OF MEDICINE

Quantifying the potential role of unmeasured confounders: the example of influenza vaccination

(2008) R. Groenwold et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY