Ongoing measles transmission across multiple U.S. states, driven by 38 active outbreaks and predominantly locally acquired cases among under-vaccinated populations, continues to push cumulative 2026 totals higher, with CDC confirming 2,465 cases as of August 6. This pace—recent weekly increments of 24–94 cases, concentrated in areas like Pennsylvania—reflects measles' extreme contagiousness via airborne spread and the impact of immunity gaps. Official surveillance through CDC weekly reports and state health departments will capture any additional confirmed infections before the August 31 cutoff, while a CDC advisory committee review of elimination status this month may highlight sustained circulation risks without altering near-term case counts.