A traveler with a confirmed measles case recently passed through the Seattle-Tacoma International Airport (SEA), prompting public health officials to issue a notification. According to Public Health – Seattle and King County, the individual was identified as having measles on [date of exposure]. The agency is now alerting travelers who may have been in close proximity to this person. Those who visited SEA between [date range] are being advised to monitor their health for symptoms of measles, including fever, cough, and a rash.
Source: https://www.fox13seattle.com/video/1578194