1 revisions for "583 Cases and Counting: How Utah Became the Nation's Measles Epicenter"
Utah has reported 583 confirmed measles cases since summer 2025, overtaking South Carolina as the most active outbreak in the U.S. The outbreak, concentrated in southwest Utah communities with MMR vaccination rates as low as 79%, is part of a national surge that has pushed 2026 toward one of the worst measles years since the disease was declared eliminated in 2000.