Effectiveness of the booster dose of inactivated COVID-19 vaccine against Omicron BA.5 infection: a matched cohort study of adult close contacts

Effectiveness of the booster dose of inactivated COVID-19 vaccine against Omicron BA.5 infection: a matched cohort study of adult close contacts

Abstract Background Although COVID-19 vaccines and their booster regimens protect against symptomatic infections and severe outcomes, there is limited evidence about their protection against asymptomatic and symptomatic infections in real-world settings, particularly when considering that the majori...

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Bibliographic Details
Main Authors: Ting Zeng, Yaoqin Lu, Yanji Zhao, Zihao Guo, Shengzhi Sun, Zhidong Teng, Maozai Tian, Jun Wang, Shulin Li, Xucheng Fan, Weiming Wang, Yongli Cai, Gengze Liao, Xiao Liang, Daihai He, Kai Wang, Shi Zhao
Format: Article
Language:English
Published: BMC 2023-10-01
Series:Respiratory Research
Subjects:
COVID-19
Omicron variant
Vaccine effectiveness
Asymptomatic infection
Online Access:https://doi.org/10.1186/s12931-023-02542-y

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