claim: selenium consumption is associated with mortality risk from covid-19
evidence_1: in comparison with reference data from a european cross-sectional analysis (epic, n = 1915), the patients showed a pronounced deficit in total serum se (mean ± sd, 50.8 ± 15.7 vs. 84.4 ± 23.4 µg/l) and selenop (3.0 ± 1.4 vs. 4.3 ± 1.0 mg/l) concentrations.