LAS VEGAS (KLAS) — At least 123 people have been infected in a growing measles outbreak about 160 miles from Las Vegas along the Utah-Arizona border.

The towns of Colorado City, Arizona, and Hildale, Utah, are at the center of the outbreak, according to the Infectious Disease Advisor.

Since the initial outbreak, cases have appeared in the larger towns of Hurricane and St. George, according to the Southwest Utah Public Health Department. Those cases involved exposures in hospitals and urgent care clinics.

State of Arizona data reports 80 active measles cases in Mohave County, along with four cases in Navajo County. 8 News Now has reached out to Utah health officials for updated numbers.

Most cases have involved unvaccinated school-aged children, officials said. Utah has reported six mea

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