Monitoring of the SARS-CoV-2 Omicron BA.1/BA.2 lineage transition in the Swedish population reveals increased viral RNA levels in BA.2 cases

Antonio Lentini, Antonio Pereira,Ola Winqvist,Björn Reinius

Med（2022）

引用 10|浏览6

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摘要

•An RT-PCR assay directly classifying COVID-19 and Omicron BA.1 sublineage status•Monitoring of the Omicron BA.1 to BA.2 sublineage dominance transition in Sweden•Day-by-day resolved analysis encompassing 174,933 clinical upper airway samples•2-fold higher viral RNA levels in upper airway of BA.2 relative to BA.1 cases

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关键词

SARS-CoV-2,Omicron,BA.1,BA.2,RT-PCR,viral load,transmissibility,nasopharyngeal,upper airways,CDC

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