A wave of measles cases traced to Disneyland threatens to spread farther. An unvaccinated California resident infected in the outbreak traveled by plane between Orange County and Seattle-Tacoma International Airport during the holidays, health officials said.
The number of measles cases stemming from the outbreak has risen to 26 and now involves Washington state, Utah and Colorado.
The airline passenger, a woman in her 20s, fell ill after visiting Disneyland in December and became contagious on Dec. 28. She flew from Orange County to Seattle on Dec. 29, stayed with family in Washington’s Snohomish County and returned to Orange County on Jan. 3. She wasn’t diagnosed until Jan. 8 in California, health officials in Washington state said.
The passenger flew to Seattle on Alaska Airlines Flight 505 on Dec. 29, a Washington health official said. She returned to Orange County on Jan. 3 on Virgin America Flight 1780.
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