ERX5186777 COG-UK/PHEC-2F7617/PHEC:210211_NB552525_0005_AHLJLLAFX2 ERP121228 PRJEB37886 ERS5869885 SAMEA8183161 AMPLICON VIRAL RNA PCR Nextera_XT|Internal Nextera XT (reduced volume) Illumina HiSeq 2500