Portland pediatric infectious disease specialist addresses back-to-school concernsBy Meerah Powell (OPB)Aug. 31, 2021 11:37 p.m.With COVID-19 cases at their height in Oregon, K-12 in-person classes are resuming📨 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