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Risk of Symptomatic Infection During a Second Coronavirus Disease 2019 Wave in Severe Acute Respiratory Syndrome Coronavirus 2-Seropositive Individuals.
Manica, Mattia; Pancheri, Serena; Poletti, Piero; Giovanazzi, Giulia; Guzzetta, Giorgio; Trentini, Filippo; Marziano, Valentina; Ajelli, Marco; Grazia Zuccali, Maria; Benetollo, Pier Paolo; Merler, Stefano; Ferro, Antonio.
  • Manica M; Center for Health Emergencies, Bruno Kessler Foundation, Trento, Italy.
  • Pancheri S; Department of Prevention, Azienda Provinciale per i Servizi Sanitari, Trento, Italy.
  • Poletti P; Center for Health Emergencies, Bruno Kessler Foundation, Trento, Italy.
  • Giovanazzi G; Department of Prevention, Azienda Provinciale per i Servizi Sanitari, Trento, Italy.
  • Guzzetta G; Center for Health Emergencies, Bruno Kessler Foundation, Trento, Italy.
  • Trentini F; Center for Health Emergencies, Bruno Kessler Foundation, Trento, Italy.
  • Marziano V; Center for Health Emergencies, Bruno Kessler Foundation, Trento, Italy.
  • Ajelli M; Department of Epidemiology and Biostatistics, Indiana University School of Public Health, Bloomington, Indiana, USA.
  • Grazia Zuccali M; Laboratory for the Modeling of Biological and Socio-technical Systems, Northeastern University, Boston, Massachusetts, USA.
  • Benetollo PP; Department of Prevention, Azienda Provinciale per i Servizi Sanitari, Trento, Italy.
  • Merler S; Department of Prevention, Azienda Provinciale per i Servizi Sanitari, Trento, Italy.
  • Ferro A; Center for Health Emergencies, Bruno Kessler Foundation, Trento, Italy.
Clin Infect Dis ; 74(5): 893-896, 2022 03 09.
Article in English | MEDLINE | ID: covidwho-1703879
ABSTRACT
We analyzed 221 coronavirus disease 2019 cases identified between June 2020 and January 2021 in 6074 individuals screened for immunoglobulin G antibodies in May 2020, representing 77% of residents of 5 Italian municipalities. The relative risk of developing symptomatic infection in seropositive participants was 0.055 (95% confidence interval, .014-.220).
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Prognostic study Limits: Humans Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article Affiliation country: Cid

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Prognostic study Limits: Humans Language: English Journal: Clin Infect Dis Journal subject: Communicable Diseases Year: 2022 Document Type: Article Affiliation country: Cid