Issues with SARS-CoV-2 sequencing data Issues with SARS-CoV-2 sequencing dataUpdated analysis with data from 17th May 2020Updated analysis with data from 12th June 2020Updated analysis with data from 13th November 2020Updated analysis with data from 4 March 2021Systematic Errors Associated with Some Implementations of ARTIC V4 and a Fast Workflow to Prescreen Samples for New Problematic Sites
CLUSTAL W: improving the sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice