“…Thus, there has been a surge in the development of MS-based strategies for diagnosing COVID-19 disease from an exhaled breath, a nasopharyngeal swab, or a gargle solution (Cardozo et al, 2020;Ihling et al, 2020;Nachtigall et al, 2020;Ruszkiewicz et al, 2020;Bankar et al, 2021;Chen et al, 2021;Maus et al, 2021;Renuse et al, 2021;Tran et al, 2021). Furthermore, an exciting research line has focused on identifying biomarkers that reflect the severe COVID-19 phenotype (Chen et al, 2020a;Gordon et al, 2020;Kimhofer et al, 2020;Messner et al, 2020;Shen et al, 2020;Wu et al, 2020;Chevrier et al, 2021;Holmes et al, 2021;Lee et al, 2021;Messner et al, 2021;Wierbowski et al, 2021;Zhang et al, 2021).…”