Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/22925
Title: Initial impact of SARS-Cov-2 vaccination on healthcare workers in Italy- Update on the 28th of March 2021
Authors: Mateo-Urdiales, Alberto 
Del Manso, Martina 
Andrianou, Xanthi 
Spuri, Matteo 
D'Ancona, Fortunato P 
Filia, Antonietta 
Rota, Maria Cristina 
Petrone, Daniele 
Vescio, Maria Fenicia 
Riccardo, Flavia 
Bella, Antonino 
Pezzotti, Patrizio 
Fabiani, Massimo 
Major Field of Science: Medical and Health Sciences
Field Category: Health Sciences
Keywords: COVID-19;Healthcare workers;Pandemic;Vaccines
Issue Date: 9-Aug-2021
Source: Vaccine, 2021, vol. 39, no. 34, pp. 4788-4792
Volume: 39
Issue: 34
Start page: 4788
End page: 4792
Journal: Vaccine 
Abstract: In Italy, the COVID-19 vaccination campaign started in December 2020 with the vaccination of healthcare workers (HCW). To analyse the real-life impact that vaccination is having on this population group, we measured the association between week of diagnosis and HCW status using log-binomial regression. By the week 22-28 March, we observed a 74% reduction (PPR 0.26; 95% CI 0.22-0.29) in the proportion of cases reported as HCW and 81% reduction in the proportion of symptomatic cases reported as HCW, compared with the week with the lowest proportion of cases among HCWs prior to the vaccination campaign (31 August-7 September). The reduction, both in relative and absolute terms, of COVID-19 cases in HCWs that started around 30 days after the start of the vaccination campaign suggest that COVID-19 vaccines are being effective in preventing infection in this group.
URI: https://hdl.handle.net/20.500.14279/22925
ISSN: 0264410X
DOI: 10.1016/j.vaccine.2021.07.003
Rights: © The Authors. This is an open access article under the CC BY license.
Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Article
Affiliation : Istituto Superiore di Sanità 
European Centre for Disease Prevention and Control 
Cyprus University of Technology 
La Sapienza University 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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