Mealey's (June 28, 2023, 1:17 PM EDT) -- TAMPA, Fla. — Twenty-one states challenging the Centers for Disease Control and Prevention’s COVID-19 transportation mask mandate filed a notice of voluntary dismissal on June 27 after a separate appeal involving the mandate was resolved by the 11th Circuit U.S. Court of Appeals, which found that a previous challenge to the mandate was moot because the mandate had expired on its own terms....