A chain of events possibly triggered by unrecognized infection with the SARS-CoV-2 coronavirus could be causing the mysterious cases of severe hepatitis reported in hundreds of young children around the world, researchers suggest.

The U.S. Food and Drug Administration granted full approval to Orphalan’s Cuvrior (trientine tetrahydrochloride) for the treatment of Wilson’s disease, a rare genetic disorder. The approval announcement marks the first new treatment available for patients in over five decades.