Mealey's (May 26, 2022, 1:57 PM EDT) -- CINCINNATI — A split Sixth Circuit U.S. Court of Appeals sitting en banc on May 25 dismissed an appeal by a private Catholic school and parents of students challenging a Michigan federal district court’s denial of a preliminary injunction to block a statewide mask mandate for schoolchildren in public and private K-5 schools intended to control the spread of COVID-19, determining that the interlocutory appeal and the underlying claim were moot given the vastly changed circumstances of the pandemic....