(Salem, OR) -- Three Oregon counties are moving down in COVID-19 risk levels. Clatsop County is moving from Moderate to Lower risk, while Lane and Polk counties are moving from High to Moderate risk. Harney and Coos counties have been warned they will move backwards if their numbers don't improve. In the Portland area, Clackamas County remains at High Risk because its vaccination rate is 62-percent. Any county with a vaccination rate of 65-percent or better moves to the Lower Risk category. The new risk levels take effect on Friday.