SRS12786257 SAMN27782978 Mix-Alpha_BA.2_Delta 2697049 Severe acute respiratory syndrome coronavirus 2 Sample containing mixture of SARS-CoV-2 lineages from pooled clinical samples. Expected ratios: Alpha - 0.36; Omicron (BA.2) - 0.33; Delta - 0.31. bioproject 827817 collected_by The Ohio State University Applied Microbiology Services Laboratory collection_date 2021 geo_loc_name USA: Ohio, Columbus host Homo sapiens host_disease Covid-19 isolate NA isolation_source saliva purpose_of_sequencing Validation of bioinformatic software (MixviR; test mixture 6) sequenced_by OSU-AMSL BioSampleModel SARS-CoV-2: clinical or host-associated