Mealey's (November 16, 2021, 12:31 PM EST) -- CINCINNATI — Res judicata does not bar the fourth complaint by a single law firm on behalf of workers against five Ohio hospital systems challenging a COVID-19 vaccine mandate as the named plaintiffs in the present putative class complaint have never before filed suit and the claims here are based on “continuing illegal and improper behavior,” the workers argue in a Nov. 15 combined response to motions to dismiss in which they alternatively seek leave to amend their complaint....