measles

Arizona is part of one of the nation's largest measles outbreaks as the number of cases surpasses the record high set in 2025, with five months of 2026 still to come.

Health officials have confirmed the first measles case in Yavapai County this year. Members of the public were possibly exposed at four locations in Prescott and Prescott Valley between July 3-8.

Samples from the Sedona Wastewater Treatment Plant tested positive for the measles virus. That indicates that at least one person with a recent infection has been in the area.

Health officials say a measles outbreak is over after 42 days without a new case. It was the largest outbreak in Arizona in more than 30 years, with more than 200 cases in Mohave County alone.

Coconino County Health and Human Services officials confirmed two new measles cases Friday with possible exposures in Fredonia and Kanab, Utah.

The ongoing measles outbreak along the Arizona-Utah border has surpassed 500 cases.

Coconino County health officials are trying to determine who may have been exposed after another resident has tested positive for measles in Page.

Coconino County health officials have confirmed 2026's first measles case. Members of the public were possibly exposed at three locations in Page.

International health officials plan to meet in a few months to reevaluate the United States’ measles-free status. Experts fear the vaccine-preventable virus has regained a foothold and that the U.S. may soon follow Canada in losing the achievement of having eliminated it.

The small town is known for its polygamist history under the Fundamentalist Church of Jesus Christ of Latter-day Saints. A recent measles outbreak marks Colorado City, Ariz., and Hildale, Utah again.