![]() The results were then combined and formatted by Variant sequences due to low quality of early sequences. Less stringent cutoffs were applied to Delta and Omicron Indels present at a frequency of at least 0.85 (.50 for Delta. Minimap2 -cs | paftools.js call -L 10000. 80 for Omicron) were retained while all others are discarded. Single-nucleotide substitutions present at a frequency Single-nucleotide substitutions were extracted from the alignment using the UCSC tool (restricting to complete, high-coverage genomes, and restricting to earliest sampleĬollection dates when there were too many results for the download limit of 10,000 Mutations of the lineage were downloaded from E.g., del_21991įor each virus variant, SARS-CoV-2 genome sequences containing all characteristic Insertions and deletions in both tracks are named: Mutations in the nucleotide track are named with the format: Mutations in the amino acid track are named with the format: In this table, along with lineage and clade designations: The Greek-letter names assigned by the World Health Organization (WHO) are listed Identified as Variants of Interest, now reclassified at this lower level of concern.ĭisplays a phylogenetic tree of the first B.1.1.7 (Alpha) variant sequences collectedīV-BRC has a similar list of variants of concern and their mutations, but has added This track includes only the four VUMs which were previously Variants under Monitoring (VUM) include variants with unclearĮpidemiological impact.Vaccine efficacy, plus evidence of significant community transmission,Ī cluster of cases, or detection in multiple countries. To cause a change in transmissibility, virulence, or diagnostic / therapeutic / Variants of Interest (VOI) contain mutations suspected or confirmed.Virulence, and/or decreased diagnostic, therapeutic, or vaccine efficacy. Variants of Concern (VOC) have evidence for increased transmissibility,.Variant incidence and geographic distribution information is available from links to the Mutations in this track were identified from viral sequences from Variants is slightly different than the WHO. Note that theĬenter for Disesase Control (CDC) classification of SARS-CoV-2 ![]() This track displays amino acid and nucleotide mutations in SARS-CoV-2 variants Source data version: Sequences downloaded September 10, 2021, update on and May 4, 2022
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