New COVID-19 case numbers in Snohomish County triggers concerns of rollback to Phase 2 New COVID-19 case numbers in Snohomish County triggers concerns of rollback to Phase 2 Case rates in Snohomish County have been climbing over the past few weeks, triggering new concern about a step backwards into Phase 2 of the state’s Roadmap to Recovery plan. EVERETT, Wash. - Leaders in one of Washington’s largest counties are voicing a disturbing alert about COVID-19 numbers. Case rates in Snohomish County have been climbing over the past few weeks, triggering new concern about a step backwards into Phase 2 of the state’s Roadmap to Recovery plan.