An unvaccinated New Mexico adult who tested positive for measles has died, the second death in a growing outbreak centered along the Texas-New Mexico border, officials said Thursday. The individual did not seek medical care before death,

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In addition to Texas and New Mexico, the Centers for Disease Control and Prevention (CDC) have confirmed measles cases in Alaska, California, Florida, Georgia, Kentucky, New Jersey, New York City, Pennsylvania, Rhode Island and Washington, though the majority are in Texas and New Mexico.