2021 年越南 COVID-19 全国大流行期间 SARS-CoV-2 阿尔法和德尔塔变异株的时空演变。
Spatiotemporal Evolution of SARS-CoV-2 Alpha and Delta Variants during Large Nationwide Outbreak of COVID-19, Vietnam, 2021.
出版信息
Emerg Infect Dis. 2023 May;29(5):1002-1006. doi: 10.3201/eid2905.221787. Epub 2023 Apr 4.
Abstract
We analyzed 1,303 SARS-CoV-2 whole-genome sequences from Vietnam, and found the Alpha and Delta variants were responsible for a large nationwide outbreak of COVID-19 in 2021. The Delta variant was confined to the AY.57 lineage and caused >1.7 million infections and >32,000 deaths. Viral transmission was strongly affected by nonpharmaceutical interventions.
摘要
我们分析了来自越南的 1303 个 SARS-CoV-2 全基因组序列，发现 Alpha 和 Delta 变异株导致了 2021 年越南全国范围内的 COVID-19 大暴发。Delta 变异株局限于 AY.57 谱系，导致超过 170 万例感染和超过 32000 人死亡。病毒传播受到非药物干预的强烈影响。
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