Secondary transmission of COVID-19 in preschool and school settings in northern Italy after their reopening in September 2020: a population-based study

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%,...

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Published in:Euro surveillance : bulletin européen sur les maladies transmissibles Vol. 25; no. 49; p. 1
Main Authors: Larosa, Elisabetta, Djuric, Olivera, Cassinadri, Mariateresa, Cilloni, Silvia, Bisaccia, Eufemia, Vicentini, Massimo, Venturelli, Francesco, Giorgi Rossi, Paolo, Pezzotti, Patrizio, Bedeschi, Emanuela
Format: Journal Article
Language:English
Published: Sweden Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS) 10.12.2020
European Centre for Disease Prevention and Control (ECDC)
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ISSN:1560-7917, 1025-496X, 1560-7917
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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.
AbstractList 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.
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.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.
Author Bedeschi, Emanuela
Cassinadri, Mariateresa
Larosa, Elisabetta
Bisaccia, Eufemia
Djuric, Olivera
Vicentini, Massimo
Giorgi Rossi, Paolo
Venturelli, Francesco
Cilloni, Silvia
Pezzotti, Patrizio
AuthorAffiliation The members of the Reggio Emilia Covid-19 Working Group are listed under Investigators
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  fullname: Djuric, Olivera
  organization: Center for Environmental, Nutritional and Genetic Epidemiology (CREAGEN), Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Italy, Epidemiology Unit, Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia, Reggio Emilia, Italy
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  fullname: Cilloni, Silvia
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  fullname: Bisaccia, Eufemia
  organization: Public Health Unit, Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia, Reggio Emilia, Italy
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  givenname: Massimo
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  fullname: Vicentini, Massimo
  organization: Epidemiology Unit, Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia, Reggio Emilia, Italy
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  fullname: Venturelli, Francesco
  organization: Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy, Public Health Unit, Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia, Reggio Emilia, Italy
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  fullname: Pezzotti, Patrizio
  organization: Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
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  surname: Bedeschi
  fullname: Bedeschi, Emanuela
  organization: Public Health Unit, Azienda Unità Sanitaria Locale – IRCCS di Reggio Emilia, Reggio Emilia, Italy
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ContentType Journal Article
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Formoso, Giulio
Bedeschi, Emanuela
De Pietri, Stefano
Revelli, Matteo
Foracchia, Marco
Zaldini, Piera
Lattuada, Ivana
Pattacini, Pierpaolo
Besutti, Giulia
Ferrari, Anna Maria
Pilia, Annalisa
Orsola, Bonanno
Polese, Alessandra
Facciolongo, Nicola
Iotti, Valentina
Trabucco, Laura
Bellesia, Enrica
Nitrosi, Andrea
Perilli, Cinzia
Marino, Massimiliano
Albertazzi, Laura
Costantini, Massimo
Danelli, Giorgio Francesco
Bisaccia, Eufemia
Colla, Rossana
Campari, Cinzia
Canovi, Simone
Giorgi Rossi, Paolo
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Broccoli, Serena
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Bonelli, Efrem
Cilloni, Silvia
Zerbini, Alessandro
Cassinadri, Mariateresa
Gioia, Francesco
Incerti, Silvia Storchi
Massari, Marco
Mancuso, Pamela
Venturi, Ivano
Ottone, Marta
Formisano, Debora
Magnani, Elena
Fasano, Tommaso
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Copyright Copyright Centre Europeen pour la Surveillance Epidemiologique du SIDA (European Centre for the Epidemiological Monitoring of AIDS) Dec 10, 2020
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Issue 49
Keywords SARS-CoV-2
outbreaks
surveillance
Covid-19
Schools
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Correspondence: Olivera Djuric (olivera.djuric@ausl.re.it)
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References r3
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Ehrhardt (r12) 2020; 25
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Giorgi Rossi (r1) 2020; 128
Mangone (r2) 2020
Stein-Zamir (r13) 2020; 25
Ismail (r11) 2020
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  publication-title: Euro Surveill
  doi: 10.2807/1560-7917.ES.2020.25.36.2001587
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SubjectTerms Adolescent
Child
Child, Preschool
COVID-19
COVID-19 - epidemiology
COVID-19 - transmission
Disease transmission
Disease Transmission, Infectious - statistics & numerical data
Epidemiology
Female
Humans
Infant
Infant, Newborn
Italy - epidemiology
Male
Masks
Mortality
Organizational Policy
Physical Distancing
Population-based studies
Rapid Communication
SARS-CoV-2
School Teachers - statistics & numerical data
Schools
Schools, Nursery
Students - statistics & numerical data
Young Adult
Title Secondary transmission of COVID-19 in preschool and school settings in northern Italy after their reopening in September 2020: a population-based study
URI https://www.ncbi.nlm.nih.gov/pubmed/33303065
https://www.proquest.com/docview/2470381080
https://www.proquest.com/docview/2470028636
https://pubmed.ncbi.nlm.nih.gov/PMC7730487
Volume 25
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