Washington expands mask mandate, requires COVID vaccination for teachers, staffBy RACHEL LA CORTE (Associated Press)OLYMPIA, Wash. Aug. 18, 2021 10:36 p.m. Updated: Aug. 19, 2021 12:08 a.m.Gov. Jay Inslee says all public, charter and private school teachers and staff must be fully vaccinated or else risk losing their jobs📨 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