Household Secondary Attack Rates of SARS-CoV-2 by Variant and Vaccination Status
University of Florida · University of Washington · +2 more institutions
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Abstract
Importance An overall household secondary attack rate (SAR) of 18.9% (95% CI, 16.2%-22.0%) through June 17, 2021 was previously reported for SARS-CoV-2. Emerging variants of concern and increased vaccination have affected transmission rates. Objective To evaluate how reported household SARs changed over time and whether SARs varied by viral variant and index case and contact vaccination status. Data Sources PubMed and medRxiv from June 18, 2021, through March 8, 2022, and reference lists of eligible articles. Preprints were included. Study Selection Articles with original data reporting the number of infected and total number of household contacts. Search terms…
Citation impact
245
total citations
- FWCI
- 23.29
- Percentile
- 100%
- References
- 100
Citations per year
Authors
5Topics & keywords
Topics
Keywords
- Vaccination
- Medicine
- Transmission (telecommunications)
- Guideline
- Demography
- Coronavirus disease 2019 (COVID-19)
- Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
- Attack rate
UN Sustainable Development Goals
- Good health and well-being
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