HealthMask mandates help, but COVID-19 infection rates are driven by many factorsBy Geoff Norcross (OPB)Dec. 10, 2021 8:38 p.m.Oregon’s infection rate remains stubbornly high, even with one of the toughest mask mandates in the country.📨 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