Measles spreading across the US, doctors warn

Officials reported measles exposures at several major U.S. airports, and CDC data show nearly 2,100 cases across about 44 states in 2025.

Public health agencies in multiple states have issued exposure notices after travelers with measles passed through busy airports and other public locations. Officials in New Jersey, Massachusetts and Colorado flagged possible exposures this season. National reporting shows an unusually high number of cases in 2025, and states are continuing investigations. Authorities are issuing and revising exposure notifications as new information becomes available. Key details: - State health officials reported possible measles exposures at Raleigh‑Durham, Boston Logan, Newark Liberty and Denver International airports, according to public notices. - The Centers for Disease Control and Prevention shared data showing nearly 2,100 measles cases across about 44 states in 2025, the highest number reported in 25 years. - South Carolina reported 211 cases tied to a widening local outbreak; the state said 144 people were in quarantine and seven in isolation, with the latest quarantines set to end on January 28. - Public health agencies said case investigations and exposure timelines are ongoing and that advisories may be updated as details are confirmed. Summary: Officials reported measles exposures at several major airports and a high number of cases nationally in 2025. South Carolina is managing a local outbreak with active quarantines through January 28, and health agencies say investigations and exposure notifications are continuing.