HealthMultnomah County public health director urges people to continue wearing masks on public transportationBy Alex Hasenstab (OPB)April 19, 2022 11:33 p.m.The public health agency says masks continue to protect vulnerable and unvaccinated people📨 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