Estimating the serial intervals of SARS-CoV-2 Omicron BA.4, BA.5, and BA.2.12.1 variants in Hong Kong

被引：5
|
作者：
Guo, Zihao [1 ]
Zhao, Shi [1 ,2 ]
Yam, Carrie Ho Kwan [1 ,2 ]
Li, Conglu [1 ]
Jiang, Xiaoting [1 ]
Chow, Tsz Yu [1 ,2 ]
Chong, Ka Chun [1 ,2 ]
Yeoh, Eng Kiong [1 ,2 ]
机构：
[1] Chinese Univ Hong Kong, Fac Med, JC Sch Publ Hlth & Primary Care, Hong Kong, Peoples R China
[2] Chinese Univ Hong Kong, Fac Med, Ctr Hlth Syst & Policy Res, Hong Kong, Peoples R China
来源：
INFLUENZA AND OTHER RESPIRATORY VIRUSES | 2023年 / 17卷 / 02期
基金：
中国国家自然科学基金;
关键词：
COVID-19; disease transmission; Hong Kong; SARS-CoV-2 omicron variant; serial infection interval;
D O I：
10.1111/irv.13105
中图分类号：
R51 [传染病];
学科分类号：
100401 ;
摘要：
Empirical evidence on the epidemiological characteristics of the emerged SARS-CoV-2 variants could shed light on the transmission potential of the virus and strategic outbreak control planning. In this study, by using contact tracing data collected during an Omicron-predominant epidemic phase in Hong Kong, we estimated the mean serial interval of SARS-CoV-2 Omicron BA.4, BA.5, and BA.2.12.1 variants at 2.8 days (95% credible interval [CrI]: 1.5, 6.7), 2.7 days (95% CrI: 2.1, 3.6), and 4.4 days (95% CrI: 2.6, 7.5), respectively, with adjustment for right truncation and sampling bias. The short serial interval for the current circulating variant indicated that outbreak mitigations through contact tracing and case isolation would be quite challenging.
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页数：5
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