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Basic Characteristics of Mutations
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Mutation Site
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Y145H |
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Mutation Site Sentence
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AY.4.2, a sublineage of the Delta variant, was considered a variant under investigation (VUI) and also gained the nickname ""Delta Plus,"" due to its extra mutations, Y145H and A222V. |
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Mutation Level
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Amino acid level |
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Mutation Type
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Nonsynonymous substitution |
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Gene/Protein/Region
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Standardized Encoding Gene
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Genotype/Subtype
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AY.4.2 |
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Viral Reference
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-
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Functional Impact and Mechanisms
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Disease
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-
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Immune
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- |
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Target Gene
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-
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Clinical and Epidemiological Correlations
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Clinical Information
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- |
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Treatment
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- |
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Location
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Bulgaria |
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Literature Information
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PMID
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35902787
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Title
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Initial introduction and spread of the SARS-CoV-2 AY.4.2.1 Delta variant in Bulgaria, a genomic insight
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Author
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Alexiev I,Giovanetti M,Cella E,Ivanov I,Stoikov I,Donchev D,Grigorova L,Gancheva A,Dimitrova R,Korsun N,Trifonova I,Philipova I,Dobrinov V,Grigorova I,Kantardjiev T,Christova I,Ciccozzi M
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Journal
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Journal of medical virology
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Journal Info
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2022 Dec;94(12):6060-6064
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Abstract
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The evolution of the emerging SARS-CoV-2 variants carrying mutations in the spike protein raises concerns about the possibility of accelerated transmission in the ever-evolving COVID-19 pandemic worldwide. AY.4.2, a sublineage of the Delta variant, was considered a variant under investigation (VUI) and also gained the nickname ""Delta Plus,"" due to its extra mutations, Y145H and A222V. In this study, using genomic epidemiology, we provide the first insights into the introduction of AY.4.2 in Bulgaria and the AY.4.2.1 sublineage that found larger dissemination only in Bulgaria and the United Kingdom.
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Sequence Data
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EPI_ISL_4731435;EPI_ISL_5739135;EPI_ISL_5739272;EPI_ISL_5739283;EPI_ISL_5845625;EPI_ISL_5845717;EPI_ISL_5854826;EPI_ISL_5855123;EPI_ISL_5855126;EPI_ISL_5855137;EPI_ISL_5855145;EPI_ISL_5855169; EPI_ISL_5855177;EPI_ISL_5855180;EPI_ISL_5855190;EPI_ISL_6101740-EPI_ISL_6101764
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