Health officials say the child likely acquired the infection while traveling outside the U.S. The child was at Sea-Tac Airport on Nov. 5.
https://www.king5.com/mobile/article/news/health/king-county-child-measles-november-2020-sea-tac-airport-exposure/281-edab1caf-8791-4e0f-a12d-47222ccfb673