 DUBLIN, June 15, 2021 PRNewswire -- Mallinckrodt plc OTCMKTS: MNKKQ, a global biopharmaceutical company, today announced that the U.S. Food and Drug Administration FDA has approved StrataGraft allogeneic cultured keratinocytes and dermal fibroblasts in murine collagen dsat for the treatment of adults with thermal burns containing intact dermal elements for which surgical intervention is clinically indicated deep partial-thickness burns. Please see Important Safety Information for StrataGraft below. 