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Open AccessEnhanced fusogenicity and pathogenicity of SARS-CoV-2 Delta P681R mutation
During the current coronavirus disease 2019 (COVID-19) pandemic, a variety of mutations have accumulated in the viral genome of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and, at the time of ...
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Open AccessAttenuated fusogenicity and pathogenicity of SARS-CoV-2 Omicron variant
The emergence of the Omicron variant of SARS-CoV-2 is an urgent global health concern1. In this study, our statistical modelling suggests that Omicron has spread more rapidly than the Delta variant in several cou...
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Open AccessVirological characteristics of the SARS-CoV-2 XBB variant derived from recombination of two Omicron subvariants
In late 2022, SARS-CoV-2 Omicron subvariants have become highly diversified, and XBB is spreading rapidly around the world. Our phylogenetic analyses suggested that XBB emerged through the recombination of two...
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Open AccessVirological characteristics of the SARS-CoV-2 Omicron XBB.1.5 variant
Circulation of SARS-CoV-2 Omicron XBB has resulted in the emergence of XBB.1.5, a new Variant of Interest. Our phylogenetic analysis suggests that XBB.1.5 evolved from XBB.1 by acquiring the S486P spike (S) mu...