EducationFormer Hermiston educator sues district over mask mandateBy Antonio Sierra (OPB)July 4, 2022 12 p.m.Lawsuit questions efficacy of masks and vaccines in reducing transmission of COVID-19📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up