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.

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,

Measles cases in the U.S. have surged to alarming levels, with over 1,200 confirmed cases this year, according to Johns Hopkins University. While Texas reports the majority, Colorado has seen 16 cases,