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Influenza vaccine effectiveness in Italy: Age, subtype-specific and vaccine type estimates 2014/15 season

Journal: Vaccine
Lead Author: Rizzo, et al.
Original date of publication: 06/08/2016
Link: https://pubmed.ncbi.nlm.nih.gov/27154392/

Summary Context

This study examines a year in Italy’s vaccination campaign against influenza A. It finds one strain was particularly poorly matched.

Comments

This study examines flu effectiveness in Italy in 2014-15, in which year the vaccinated were far more likely to get certain strains of influenza than those who were unvaccinated.

Abstract or Results, Key Passages

“These results suggest evidence of good VE against A(H1N1)pdm09 and B viruses in Italy and evidence of lack of VE against A(H3N2) virus due to antigenic and genetic mismatch between circulating A(H3N2) and the respective 2014/15 vaccine strain.”


Keywords: effectivenessfluinfluenzaseasonal influenza vaccinevariants
Full Author List: Caterina Rizzo, Antonino Bella, Valeria Alfonsi , Simona Puzelli, Anna Pina Palmieri, Maria Chironna, Elena Pariani, Alessandra Piatti , Donatella Tiberti, Valeria Ghisetti, Roberto Rangoni, Maria Eugenia Colucci, Paola Affanni , Cinzia Germinario , Maria Rita Castrucci