Immunomodulation by intravenous omega‐3 fatty acid treatment in older subjects hospitalized for COVID‐19: A single‐blind randomized controlled trial. Issue 9 (19th September 2022) - Arnardottir, Hildur; Pawelzik, Sven‐Christian; Sarajlic, Philip; Quaranta, Alessandro; Kolmert, Johan; Religa, Dorota; Wheelock, Craig E.; Bäck, Magnus