The Snohomish County Health Department reported Tuesday that at least two people have been exposed to the measles virus. The Snohomish County positive cases come a week after Public Health - Seattle & King County announced a confirmed measles case in an adult who traveled through Sea-Tac airport while infectious.

At least two residents in Snohomish County have been exposed to measles, the county health department announced Tuesday. The department is working with the people exposed to measles and monitoring their symptoms.

It’s likely they have immunity and we just need to verify it. We’re not enforcing a strict quarantine. We are recommending they limit activities as much as possible."

Public Health - Seattle & King County were notified Wednesday of a confirmed measles case in an adult who traveled through Sea-Tac airport last week.