The Washington State Department of Health (DOH) has created a new online tool to help people see where measles exposures may have occurred in the state. The Measles Exposure Location Tracker shows public places where a person with contagious measles recently was. On October 13, 2025, a visitor with confirmed measles traveled through Seattle-Tacoma International Airport (SEA). This tool helps people determine if they may have been exposed and take appropriate preventive measures. DOH also launched a new webpage to help people track measles cases across the state. The site is regularly updated to help the public, health care professionals, and media stay informed and up to date.