Bingyi Yang, Irene O L Wong, Jingyi Xiao, Tim K Tsang, Qiuyan Liao, Benjamin J Cowling
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引用次数: 8
摘要
关于疫苗对无症状或轻度欧米克隆感染的有效性的证据有限。我们估计，在香港以Omicron ba .2为主的疫情激增期间，在随机抽样的成年人中，最近的第三剂信使RNA或灭活疫苗将自我报告感染的风险降低了52%(95%置信区间，17%-73%)。
Effectiveness of CoronaVac and BNT162b2 Vaccines Against Severe Acute Respiratory Syndrome Coronavirus 2 Omicron BA.2 Infections in Hong Kong.
There is limited evidence on vaccine effectiveness against asymptomatic or mild Omicron infections. We estimated that recent third doses of messenger RNA or inactivated vaccines reduced the risk of self-reported infection by 52% (95% confidence interval, 17%-73%) among randomly sampled adults during the Omicron BA.2-dominated surge in Hong Kong.
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