Breadcrumb Home News How to pick a better mask against COVID How to pick a better mask against COVID August 15, 2021 Sarah Gollust, PhD seeks out more effective masks to stop the spread of the delta variant sweeping across the country. Previous News MN Department of Health Expands Virus Testing in the Twin Cities CRMC regains status as Level III Trauma Center Wastewater monitoring updates to add new capabilities beyond COVID-19 and Twin Cities