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PUZELLI S.

Last name: PUZELLI S.

2020 (v1)

Publication

Metadata-only

Moderate vaccine effectiveness against severe acute respiratory infection caused by a(H1N1)pdm09 influenza virus and no effectiveness against a(H3N2)) influenza virus in the 2018/2019 season in Italy

Rizzo C. Gesualdo F. Loconsole D.

Every season, circulating influenza viruses change; therefore, vaccines must be reformulated each year. We aimed to estimate vaccine effectiveness (VE) against severe influenza infection for the 2018/19 season in Italy. We conducted a test-negative design case-control study at five Italian hospitals. We estimated influenza VE against severe...

Uploaded on: April 14, 2023
2019 (v1)

Publication

Metadata-only

Co-circulation of the two influenza B lineages during 13 consecutive influenza surveillance seasons in Italy, 2004-2017

Puzelli S. Martino A. D. Facchini M.

Background: Since 1985, two antigenically distinct lineages of influenza B viruses (Victoria-like and Yamagata-like) have circulated globally. Trivalent seasonal influenza vaccines contain two circulating influenza A strains but a single B strain and thus provide limited immunity against circulating B strains of the lineage not included in the...

Uploaded on: May 12, 2023