The United States reached its highest number of measles cases in over 33 years on Monday, hitting 1,277 confirmed cases across 38 states and Washington, D.C. The country reached the highest number of cases of the vaccine-preventable disease since 1992,

The number of reported measles cases in the US has reached a 33-year high, with nearly 1,300 confirmed infections across the country as of Friday. The data, released by John Hopkins University, marks a new milestone in an ongoing outbreak of the highly contagious,

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.