U.S. measles cases hit 1,277—the worst outbreak since the disease was declared eliminated in 2000, surpassing 2019's peak halfway through the year.

There have been more measles cases in the US this year than any other since the disease was declared eliminated a quarter-century ago.

Johns Hopkins University data reflects the public health reversal in defeating the vaccine-preventable disease since measles was officially eliminated from the U.S. in 2000.