The Brief Snohomish County has confirmed three additional measles cases in children, bringing the total to six during the ongoing outbreak. Three new measles cases have been confirmed in Snohomish County children, a continuation of an ongoing outbreak, bringing the total number of cases to six. Two additional measles cases were diagnosed in a family that was already isolating due to a positive case in a sibling. The Snohomish County Health Department declared a measles outbreak in the county weeks ago after three children tested positive, exposed by a family visiting from South Carolina. More information can be found on the measles page on the Snohomish County Health Department website.