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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Clin+Med 2020 ; 9 (9): ä Nephropedia Template TP
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Prevalence of Antibodies to SARS-CoV-2 in Italian Adults and Associated Risk Factors #MMPMID32867328
Vena A; Berruti M; Adessi A; Blumetti P; Brignole M; Colognato R; Gaggioli G; Giacobbe DR; Bracci-Laudiero L; Magnasco L; Signori A; Taramasso L; Varelli M; Vendola N; Ball L; Robba C; Battaglini D; Brunetti I; Pelosi P; Bassetti M
J Clin Med 2020[Aug]; 9 (9): ä PMID32867328show ga
We aimed to assess the prevalence of and factors associated with anti- severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) positivity in a large population of adult volunteers from five administrative departments of the Liguria and Lombardia regions. A total of 3609 individuals were included in this analysis. Participants were tested for anti-SARS-CoV-2 antibodies [Immunoglobulin G (IgG) and M (IgM) class antibodies] at three private laboratories (Istituto Diganostico Varelli, Medical Center, and Casa della Salute di Genova). Demographic data, occupational or private exposure to SARS-CoV-2-infected patients, and prior medical history consistent with SARS-CoV-2 infection were collected according to a preplanned analysis. The overall seroprevalence of anti-SARS-CoV-2 antibodies (IgG and/or IgM) was 11.0% [398/3609; confidence interval (CI) 10.0%-12.1%]. Seroprevalence was higher in female inmates than in male inmates (12.5% vs. 9.2%, respectively, p = 0.002), with the highest rate observed among adults aged >55 years (13.2%). A generalized estimating equations model showed that the main risk factors associated with SARS-CoV-2 seroprevalence were the following: an occupational exposure to the virus [Odd ratio (OR) = 2.36; 95% CI 1.59-3.50, p = 0.001], being a long-term care facility resident (OR = 4.53; 95% CI 3.19-6.45, p = 0.001), and reporting previous symptoms of influenza-like illness (OR = 4.86; 95% CI 3.75-6.30, p = 0.001) or loss of sense of smell or taste (OR = 41.00; 95% CI 18.94-88.71, p = 0.001). In conclusion, we found a high prevalence (11.0%) of SARS-CoV-2 infection that is significantly associated with residing in long-term care facilities or occupational exposure to the virus. These findings warrant further investigation into SARS-CoV-2 antibody prevalence among the Italian population.