Effectiveness of CoronaVac and BNT162b2 Vaccines Against Severe Acute Respiratory Syndrome Coronavirus 2 Omicron BA.2 Infections in Hong Kong

被引：17

作者：

Yang, Bingyi ^{[1
]}

Wong, Irene O. L. ^{[1
]}

Xiao, Jingyi ^{[1
]}

Tsang, Tim K. ^{[1
,2
]}

Liao, Qiuyan ^{[1
]}

Cowling, Benjamin J. ^{[1
,2
]}

机构：

[1] Univ Hong Kong, Li Ka Shing Fac Med, WHO Collaborating Ctr Infect Dis Epidemiol & Cont, Sch Publ Hlth, Hong Kong, Peoples R China

[2] Hong Kong Sci & Technol Pk, Lab Data Discovery Hlth Ltd, Hong Kong, Peoples R China

来源：

JOURNAL OF INFECTIOUS DISEASES | 2022年 / 226卷 / 08期

关键词：

vaccine effectiveness; SARS-CoV-2; asymptomatic; booster dose;

D O I：

10.1093/infdis/jiac360

中图分类号：

R392 [医学免疫学]; Q939.91 [免疫学];

学科分类号：

100102 ;

摘要：

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. Using self-reported vaccination and testing results for coronavirus disease 2019 among a random adult population in Hong Kong, we estimated that third doses of messenger RNA or inactivated vaccines could provide moderate level of protection during the Omicron BA.2 surge.

引用

页码：1382 / 1384

页数：3

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