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- Title
Transmission of Severe Acute Respiratory Syndrome Coronavirus 2 in Households with Children, Southwest Germany, May-August 2020.
- Authors
Stich, Maximilian; Elling, Roland; Renk, Hanna; Janda, Aleš; Garbade, Sven F.; Müller, Barbara; Kräusslich, Hans-Georg; Fabricius, Dorit; Zernickel, Maria; Meissner, Peter; Huzly, Daniela; Grulich-Henn, Jürgen; Haddad, Anneke; Görne, Tessa; Spielberger, Benedikt; Fritsch, Linus; Nieters, Alexandra; Hengel, Hartmut; Dietz, Andrea N.; Stamminger, Thomas
- Abstract
Resolving the role of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission in households with members from different generations is crucial for containing the current pandemic. We conducted a large-scale, multicenter, cross-sectional seroepidemiologic household transmission study in southwest Germany during May 11-August 1, 2020. We included 1,625 study participants from 405 households that each had ≥1 child and 1 reverse transcription PCR-confirmed SARS-CoV-2-infected index case-patient. The overall secondary attack rate was 31.6% and was significantly higher in exposed adults (37.5%) than in children (24.6%-29.2%; p = <0.015); the rate was also significantly higher when the index case-patient was >60 years of age (72.9%; p = 0.039). Other risk factors for infectiousness of the index case-patient were SARS-CoV-2-seropositivity (odds ratio [OR] 27.8, 95% CI 8.26-93.5), fever (OR 1.93, 95% CI 1.14-3.31), and cough (OR 2.07, 95% CI 1.21-3.53). Secondary infections in household contacts generate a substantial disease burden.
- Subjects
GERMANY; COVID-19; HOUSEHOLDS; SARS-CoV-2
- Publication
Emerging Infectious Diseases, 2021, Vol 27, Issue 12, p3009
- ISSN
1080-6040
- Publication type
Article
- DOI
10.3201/eid2712.210978