ERX6260256 COG-UK/NORT-1BF6F20/NORT:2021-08-26_NB552238_NORTNXT50_H5NYWAFX3 ERP121228 PRJEB37886 ERS7550276 SAMEA9871940 AMPLICON VIRAL RNA PCR Illumina DNA Prep|TAGMENTATION NextSeq 550 artic_primer_version 3 artic_protocol_version coronaHIT