Some unlucky Disneyland visitors recently returned home with more than Donald Duck selfies and sunburns—they also brought back the measles. A California woman in her 20s unleashed the highly contagious virus on the Mouseketeer masses on Dec. 28. She then flew from Orange County to Seattle and back, and wasn’t diagnosed until Jan. 3.
Now at least 26 people in four states, California, Colorado, Utah, and Washington, have come down with the measles virus too, which is spread through coughing and sneezing, and can survive on hard surfaces.
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