Retrospective 22 ICU patients, showing most patients had low selenium status biomarkers and low zinc levels, and reporting on treatment with nutrient supplementation including selenium and zinc. Authors conclude that sufficient selenium and zinc levels may be important for an adequate immune response in critically ill patients with severe COVID-19 ARDS.
Notz et al., 6/20/2021, retrospective, Germany, Europe, peer-reviewed, 13 authors.