Public health officials say people who were at the Seattle Tacoma International Airport between 1 p.m. and 4 p.m. on the Fourth of July may have been exposed to measles.
A contagious traveler flew from Beijing to Seattle and passed through the South Satellite baggage claim and customs area, then took the train to the main terminal and the baggage claim area there.
Most people in the Puget Sound area have immunity to the measles through vaccination so the risk to the general public is low, according to James Apa, spokesman for Public Health Seattle & King County.
However, people who were in the same locations at SeaTac around the same time as the contagious traveler should be aware of their immunity status, monitor themselves for symptoms and call a health care provider promptly if they develop an illness with fever or an unexplained rash illness sometime between July 11 and July 25.
Measles is a highly contagious and potentially severe disease caused by the measles virus. It is mainly spread through the air after a person with measles coughs or sneezes.
People at highest risk, Apa said, include those who are unvaccinated, pregnant women, infants under six months of age and those with weakened immune systems.