Relative vaccine effectiveness against Delta and Omicron COVID-19 after homologous inactivated vaccine boosting: a retrospective cohort study

Relative vaccine effectiveness against Delta and Omicron COVID-19 after homologous inactivated vaccine boosting: a retrospective cohort study

Design Retrospective cohort studyMethods We evaluated relative vaccine effectiveness (rVE) with a retrospective cohort study of close contacts of infected individuals using a time-dependent Cox regression model. Demographic and epidemiologic data were obtained from the local Centers for Disease Cont...

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Bibliographic Details
Main Authors: Rui Zhang, Dan Wu, Lin Tang, Ying Ye, Haifeng Wang, Zhijie An, Lance Rodewald, Fuzhen Wang, Zundong Yin, Yanyang Zhang, Zhao-Hui Qian, Ai-Bin Wang, Chang Huang, Mingxia Lu, Changshuang Wang, Ya-Ting Ma, Jingjing Pan, Ya-fei Li, Xiao-Ya Lv, Xuan-Yi Wang, Yi-Ming Shao, Zhi-Yin Wu
Format: Article
Language:English
Published: BMJ Publishing Group 2022-11-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/12/11/e063919.full

Internet

https://bmjopen.bmj.com/content/12/11/e063919.full

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