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Secondary transmission of COVID-19 in preschool and school settings in northern Italy after their reopening in September 2020: a population-based study
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View Affiliations Hide AffiliationsOlivera Djuricolivera.djuric ausl.re.it
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Reggio Emilia Covid-19 Working Group: Massimo Costantini, Paolo Giorgi Rossi, Roberto Grilli, Massimiliano Marino, Debora Formisano, Giulio Formoso, Emanuela Bedeschi, Cinzia Perilli, Ivano Venturi, Eufemia Bisaccia, Elisabetta Larosa, Mariateresa Cassinadri, Silvia Cilloni, Cinzia Campari, Francesco Gioia, Serena Broccoli, Marta Ottone, Pierpaolo Pattacini, Giulia Besutti, Valentina Iotti, Lucia Spaggiari, Pamela Mancuso, Andrea Nitrosi, Marco Foracchia, Rossana Colla, Alessandro Zerbini, Marco Massari, Anna Maria Ferrari, Mirco Pinotti, Nicola Facciolongo, Ivana Lattuada, Laura Trabucco, Stefano De Pietri, Giorgio Francesco Danelli, Laura Albertazzi, Enrica Bellesia, Simone Canovi, Mattia Corradini, Tommaso Fasano, Elena Magnani, Annalisa Pilia, Alessandra Polese, Silvia Storchi Incerti, Piera Zaldini, Efrem Bonelli, Bonanno Orsola, Matteo Revelli, Carlo Salvarani, Francesco VenturelliView Citation Hide Citation
Citation style for this article: . Secondary transmission of COVID-19 in preschool and school settings in northern Italy after their reopening in September 2020: a population-based study. Euro Surveill. 2020;25(49):pii=2001911. https://doi.org/10.2807/1560-7917.ES.2020.25.49.2001911 Received: 11 Nov 2020; Accepted: 10 Dec 2020
Abstract
We report epidemiological investigations of transmission of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 41 classes of 36 schools in Reggio Emilia province, northern Italy, from their reopening on 1 September to 15 October 2020. The overall secondary case attack rate was 3.2%, reaching 6.6% in middle and high schools. More timely isolation and testing of classmates could be effective in reducing virus transmission in this setting.
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