Last year, the U.S. saw the highest number of measles cases in 33 years.

With the nation's measles-free status in doubt, this is what local public health officials are doing to bolster immunization ...

US Poised To Lose Measles-Free Status After a year of ongoing measles outbreaks that have sickened more than 2,400 people, ...

In the first three weeks of 2026, there have already been more than 400 new measles cases, as the U.S. looks to blow past ...

Wisconsin played a part in that, with a measles outbreak in Oconto County that stretched from August to October. The U.S. is ...

The upcoming review of the U.S. measles elimination status comes after cases reached a 30-year high in late 2025.

But under PAHO's definition of elimination, borders matter. If, for example, the chain of measles that started in the U.S.

The United States is on the verge of losing its measles elimination status — a designation it has held for 25 years.

At least 245 new cases have been recorded, CDC data shows.

Some 2,255 measles cases were recorded last year, marking the highest point in over 30 years.