There was a confirmed measles case at Dulles Airport last Wednesday, Virginia health officials announced over the weekend. Why it matters: If you were in Terminal A, headed to the main terminal or in the baggage claim area between 4-9pm on March 5,

Anyone who was at Dulles Airport’s international arrivals area March 5 between 4 p.m. and 9 p.m. EST may have been exposed to measles, a highly contagious airborne disease that can remain infectious in the air and on surfaces for hours after an infected person leaves the area.