Public health officials are warning families about a new measles exposure reported at Seattle-Tacoma International Airport on March 9, 2026.
According to Public Health – Seattle & King County, a person infected with measles was present in the following area during this time window.
Exposure location:
- Seattle-Tacoma International Airport
- 17801 International Blvd, SeaTac, WA
- March 9, 2026 from 2–5 p.m.
Anyone who was in this area and is unvaccinated or unsure of their vaccination status should monitor for symptoms through March 30, 2026, and contact a healthcare provider before visiting a clinic.
Measles symptoms can take up to 21 days to appear and often begin with fever, cough, runny nose, and red eyes before a rash develops.
For ongoing updates, symptoms to watch for, and vaccine guidance, visit our parent guide: Measles in Washington: What Seattle-Area Families Need to Know
