SARS-CoV-2 α、δ和欧米克隆变体在美国的渗透。

IF 2.2 4区 医学 Q3 INFECTIOUS DISEASES
Hosoon Choi, Munok Hwang, John D Coppin, Piyali Chatterjee, Thanuri Navarathna, Emma Brackens, Lynn Mayo, Brandon Corona, Taylor Yakubik, Collin Telchik, Chetan Jinadatha
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引用次数: 0

摘要

SARS-CoV-2病毒的Alpha、Delta和Omicron变体由于其传播性、疾病严重程度和对治疗的抵抗力增加,被世界卫生组织(WHO)视为关注变体(VOCs)。从地理上跟踪这些变异的传播可以帮助我们实施有效的控制措施。在德克萨斯州坦普尔对2020年3月至2023年4月期间从德克萨斯州中部医院收集的8,154份SARS-CoV-2阳性鼻拭子样本的RNA进行了测序。2023年4月3日从GISAID数据库获得了全球和美国的测序元数据。利用测序元数据,得到Omicron α、Delta和第一亚变体(BA.1)的生长率分别为0.27、0.3和1.08。Alpha、Delta和Omicron渗透美国的平均时间分别为269.2、326.2和27.3天。病毒测序数据可能是检查病毒传播的有用工具。随着疫情的发展,每一种新出现的SARS-CoV-2变体都以更快的速度渗透到城市。随着大流行的发展,欧米克隆变异以高对数增长率更快地渗透到美国。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Penetration of SARS-CoV-2 Alpha, Delta, and Omicron variants in the United States.

Penetration of SARS-CoV-2 Alpha, Delta, and Omicron variants in the United States.

Penetration of SARS-CoV-2 Alpha, Delta, and Omicron variants in the United States.

Penetration of SARS-CoV-2 Alpha, Delta, and Omicron variants in the United States.

The Alpha, Delta, and Omicron variants of the SARS-CoV-2 virus have been deemed as variants of concern (VOCs) by the WHO due to their increased transmissibility, severity of illness, and resilience against treatments. Geographically tracking the spread of these variants can help us implement effective control measures. RNA from 8,154 SARS-CoV-2 positive nasal swab samples from a Central Texas hospital collected between March 2020 and April 2023 were sequenced in Temple, TX. Global and U.S. sequencing metadata was obtained from the GISAID database on 3 April 2023. Using sequencing metadata, the growth rate of Alpha, Delta, and the first subvariant of Omicron (BA.1) were obtained as 0.27, 0.3, and 1.08 each. The average time in days to penetrate the US for Alpha, Delta, and Omicron were 269.2, 326.2, and 27.3 days, respectively. Viral sequencing data can be a useful tool to examine the spread of viruses. Each emerging SARS-CoV-2 variant penetrated cities more rapidly as the pandemic progressed. With a high logarithmic growth rate, the Omicron variant penetrated the US more rapidly as the pandemic progressed.

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来源期刊
Epidemiology and Infection
Epidemiology and Infection 医学-传染病学
CiteScore
4.10
自引率
2.40%
发文量
366
审稿时长
3-6 weeks
期刊介绍: Epidemiology & Infection publishes original reports and reviews on all aspects of infection in humans and animals. Particular emphasis is given to the epidemiology, prevention and control of infectious diseases. The scope covers the zoonoses, outbreaks, food hygiene, vaccine studies, statistics and the clinical, social and public-health aspects of infectious disease, as well as some tropical infections. It has become the key international periodical in which to find the latest reports on recently discovered infections and new technology. For those concerned with policy and planning for the control of infections, the papers on mathematical modelling of epidemics caused by historical, current and emergent infections are of particular value.
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