爆发
北京
接触追踪
病毒学
流行病学
传输(电信)
2019年冠状病毒病(COVID-19)
地理
冠状病毒
环境卫生
严重急性呼吸综合征冠状病毒2型(SARS-CoV-2)
中国
分子流行病学
基因型
生物
医学
疾病
传染病(医学专业)
遗传学
病理
基因
考古
工程类
电气工程
作者
Zhaomin Feng,Da Huo,Shujuan Cui,Bing Lvy,Zhichao Liang,Fu Li,Peng Yang,Quanyi Wang,Daitao Zhang,Yang Pan,Wei Duan
摘要
Abstract Different variants of severe acute respiratory syndrome coronavirus 2 have been discovered globally. At present, the Omicron variant has been extensively circulated worldwide. There have been several outbreaks of the Omicron variant in China. Here, we investigated the epidemiologic, genetic characteristics, and origin‐tracing data of the outbreaks of COVID‐19 in Beijing from January to September 2022. During this time, 19 outbreaks occurred in Beijing, with the infected cases ranging from 2 to 2230. Two concern variants were detected, with eight genotypes. Based on origin tracing analysis, two outbreaks were from the cold‐chain transmission and three from items contaminated by humans. Imported cases have caused other outbreaks. Our study provided a detailed analysis of Beijing's outbreaks and valuable information to control the outbreak's spread.
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