Alterations in the serum metabolome in patients with the COVID-19 Omicron variant and in recovered cases | PLOS One#plasma alterations#metabolic changes#consequences#metabolomics#chromatography#Post-Acute Conditions#organ damage#blood abnormalities#blood vessels·journals.plos.org·Oct 21, 2025Alterations in the serum metabolome in patients with the COVID-19 Omicron variant and in recovered cases | PLOS One