Publications by authors named "Sabrina Bacci"

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Effectiveness of the 2023 Autumn XBB.1.5 COVID-19 Booster During Summer 2024 in the EU/EEA: A VEBIS Electronic Health Record Network Study.
James Humphreys, Nathalie Nicolay, Toon Braeye, Izaak Van Evercooren, Christian Holm Hansen, Sabrina Bacci

Influenza Other Respir Viruses· December 2025

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Unmeasured confounding and misclassification in studies estimating vaccine effectiveness against hospitalisation and death using electronic health records (EHRs): an evaluation of a multi-country European retrospective cohort study.
James Humphreys, Nathalie Nicolay, Toon Braeye, Izaak Van Evercooren, Christian Holm Hansen, Sabrina Bacci

BMC Med Res Methodol· December 2025

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Vaccine effectiveness against influenza A in older adults and the effect of chronic conditions: results from the I-MOVE and VEBIS multicentre European hospital case-control studies, 2015/16-2023/24.
Angela Mary Catherine Rose, Nathalie Nicolay, Clara Mazagatos, Iván Martínez-Baz, Odile Launay, Sabrina Bacci

BMC Med· November 2025

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Effectiveness of long-acting monoclonal antibodies against laboratory-confirmed RSV in children aged < 24 months and hospitalised for severe acute respiratory infection, European pilot study, 2024 to 2025.
Camelia Savulescu, Iris Ganser, Nathalie Nicolay, Adrien Lajot, Sandra Campos, Sabrina Bacci

Euro Surveill· November 2025

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Recommendations for estimating and reporting vaccine effectiveness by time since vaccination: a COVID-19 case study.
Esther Kissling, Baltazar Nunes, Mariëtte Hooiveld, Iván Martínez-Baz, Susana Monge, Sabrina Bacci

Am J Epidemiol· November 2025

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COVID-19 Vaccine Effectiveness Against Hospitalization in Older Adults, VEBIS Hospital Network, Europe, September 2024-May 2025.
Madelyn Rojas-Castro, Nuno Verdasca, Susana Monge, Laurane De Mot, Camino Trobajo-Sanmartín, Sabrina Bacci

Influenza Other Respir Viruses· November 2025

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Effectiveness of JN.1 monovalent COVID-19 vaccination in EU/EEA countries between October 2024 and January 2025: a VEBIS electronic health record network study.
James Humphreys, Alexandre Blake, Nathalie Nicolay, Toon Braeye, Izaak Van Evercooren, Sabrina Bacci

Vaccine· October 2025

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Influenza vaccine effectiveness in Europe and the birth cohort effect against influenza A(H1N1)pdm09: VEBIS primary care multicentre study, 2023/24.
Esther Kissling, Marine Maurel, Francisco Pozo, Gloria Pérez-Gimeno, Silke Buda, Sabrina Bacci

Euro Surveill· June 2025

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The potential bias introduced into COVID-19 vaccine effectiveness studies at primary care level due to the availability of SARS-CoV-2 tests in the general population.
Charlotte Lanièce Delaunay, Baltazar Nunes, Susana Monge, Marit de Lange, Gergő Túri, Sabrina Bacci

Int J Epidemiol· June 2025

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COVID-19 Vaccine Effectiveness Against Medically Attended Symptomatic SARS-CoV-2 Infection Among Target Groups in Europe, October 2024-January 2025, VEBIS Primary Care Network.
Charlotte Laniece Delaunay, Nuno Verdasca, Susana Monge, Lisa Domegan, Noémie Sève, Sabrina Bacci

Influenza Other Respir Viruses· May 2025

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Effectiveness of the XBB.1.5 COVID-19 Vaccines Against SARS-CoV-2 Hospitalisation Among Adults Aged ≥ 65 Years During the BA.2.86/JN.1 Predominant Period, VEBIS Hospital Study, Europe, November 2023 to May 2024.
Liliana Antunes, Madelyn Rojas-Castro, Marcos Lozano, Iván Martínez-Baz, Isabel Leroux-Roels, Sabrina Bacci

Influenza Other Respir Viruses· March 2025

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Relative effectiveness of the second booster COVID-19 vaccines against laboratory confirmed SARS-CoV-2 infection in healthcare workers: VEBIS HCW VE cohort study (1 October 2022-2 May 2023).
Camelia Savulescu, Albert Prats-Uribe, Kim Brolin, Anneli Uusküla, Colm Bergin, Sabrina Bacci

Vaccine· January 2025

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Effectiveness of XBB.1.5 Vaccines Against Symptomatic SARS-CoV-2 Infection in Older Adults During the JN.1 Lineage-Predominant Period, European VEBIS Primary Care Multicentre Study, 20 November 2023-1 March 2024.
Lore Merdrignac, Charlotte Laniece Delaunay, Nuno Verdasca, Lorena Vega-Piris, Joan O'Donnell, Sabrina Bacci

Influenza Other Respir Viruses· November 2024

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Monovalent XBB.1.5 COVID-19 vaccine effectiveness against hospitalisations and deaths during the Omicron BA.2.86/JN.1 period among older adults in seven European countries: A VEBIS-EHR network study.
Baltazar Nunes, James Humphreys, Nathalie Nicolay, Toon Braeye, Izaak Van Evercooren, Sabrina Bacci

Expert Rev Vaccines· November 2024

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Incidence of SARS-CoV-2 Infection Among European Healthcare Workers and Effectiveness of the First Booster COVID-19 Vaccine, VEBIS HCW Observational Cohort Study, May 2021-May 2023.
Camelia Savulescu, Albert Prats-Uribe, Kim Brolin, Zvjezdana Lovrić Makarić, Anneli Uusküla, Sabrina Bacci

Vaccines (Basel)· November 2024

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Corrigendum to "Effectiveness of COVID-19 vaccines administered in the 2023 autumnal campaigns in Europe: results from the VEBIS primary care test-negative design study, September 2023-January 2024" [Vaccine 42(19) (2024)].
Charlotte Laniece Delaunay, Aryse Melo, Marine Maurel, Clara Mazagatos, Luise Goerlitz, Sabrina Bacci

Vaccine· October 2024

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Effectiveness of the autumn 2023 COVID-19 vaccine dose in hospital-based healthcare workers: results of the VEBIS healthcare worker vaccine effectiveness cohort study, seven European countries, season 2023/24.
Camelia Savulescu, Albert Prats-Uribe, Kim Brolin, Anneli Uusküla, Colm Bergin, Sabrina Bacci

Euro Surveill· October 2024

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Effectiveness of COVID-19 vaccines administered in the 2023 autumnal campaigns in Europe: Results from the VEBIS primary care test-negative design study, September 2023-January 2024.
Charlotte Laniece Delaunay, Aryse Melo, Marine Maurel, Clara Mazagatos, Luise Goerlitz, Sabrina Bacci

Vaccine· July 2024

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COVID-19 Vaccine Effectiveness in Autumn and Winter 2022 to 2023 Among Older Europeans.
Charlotte Laniece Delaunay, Clara Mazagatos, Iván Martínez-Baz, Gergo Túri, Luise Goerlitz, Sabrina Bacci

JAMA Netw Open· July 2024

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Exploring the effect of clinical case definitions on influenza vaccine effectiveness estimation at primary care level: Results from the end-of-season 2022-23 VEBIS multicentre study in Europe.
Marine Maurel, Clara Mazagatos, Luise Goerlitz, Beatrix Oroszi, Mariette Hooiveld, Sabrina Bacci

Vaccine· June 2024

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Effectiveness of one and two doses of acellular pertussis vaccines against laboratory-confirmed pertussis requiring hospitalisation in infants: Results of the PERTINENT sentinel surveillance system in six EU/EEA countries, December 2015 - December 2019.
Lore Merdrignac, Fatima Aït El Belghiti, Elisabetta Pandolfi, Lesly Acosta, Kateřina Fabiánová, Sabrina Bacci

Vaccine· April 2024

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Effectiveness of XBB.1.5 Monovalent COVID-19 Vaccines During a Period of XBB.1.5 Dominance in EU/EEA Countries, October to November 2023: A VEBIS-EHR Network Study.
Susana Monge, James Humphreys, Nathalie Nicolay, Toon Braeye, Izaak Van Evercooren, Sabrina Bacci

Influenza Other Respir Viruses· April 2024

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COVID-19 vaccine effectiveness against symptomatic infection with SARS-CoV-2 BA.1/BA.2 lineages among adults and adolescents in a multicentre primary care study, Europe, December 2021 to June 2022.
Charlotte Lanièce Delaunay, Iván Martínez-Baz, Noémie Sève, Lisa Domegan, Clara Mazagatos, Sabrina Bacci

Euro Surveill· March 2024

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Interim 2023/24 influenza A vaccine effectiveness: VEBIS European primary care and hospital multicentre studies, September 2023 to January 2024.
Marine Maurel, Jennifer Howard, Esther Kissling, Francisco Pozo, Gloria Pérez-Gimeno, Sabrina Bacci

Euro Surveill· February 2024

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Vaccine effectiveness against influenza hospitalisation in adults during the 2022/2023 mixed season of influenza A(H1N1)pdm09, A(H3N2) and B circulation, Europe: VEBIS SARI VE hospital network.
Angela M C Rose, Francisco Pozo, Iván Martínez-Baz, Clara Mazagatos, Nathalie Bossuyt, Sabrina Bacci

Influenza Other Respir Viruses· February 2024

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