Health
U.S. risks losing measles elimination status as outbreaks persist into 2026
Public health officials warn that sustained transmission could trigger a loss of measles elimination status, as outbreaks spread across multiple states amid falling vaccination rates.
A milestone at risk
Health experts say the United States is on track to potentially lose its measles elimination status if ongoing outbreaks continue long enough to meet the criteria for uninterrupted transmission.
The spread has been linked to declining vaccination coverage, growing exemptions and gaps in public health capacity to rapidly contain outbreaks.
Why the designation matters
- Signals sustained community spread rather than imported, quickly contained cases
- Raises the likelihood of larger outbreaks, school disruptions and hospital strain
- Highlights broader vulnerability to other vaccine-preventable diseases