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. 2022 Apr 13;13:856757. doi: 10.3389/fmicb.2022.856757

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Copyright © 2022 Li, Li, Li, Bao, Liu, Qin and Yu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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SAR (95% CI) in households in the SARS-CoV-2 delta variant outbreak in Jingmen City, Hubei Province, China in August 2021. *Others included parents, siblings, and grandparents.