In the last week, the Kansas health department has recorded four additional measles cases. That brings the state's total to 87, most of which are in southwest Kansas. The disease was declared eliminated 25 years ago.

The number of reported measles cases in the United States has hit 1,288 in the first six months of this year, the most since the disease was declared eliminated in 2000.

Measles cases in the United States have reached their highest number in more than 30 years, according to new federal data published Wednesday.