There are more than 930 confirmed cases of measles across the U.S. as of Friday, according to the Centers for Disease Control and Prevention, with a majority of the highly contagious illness present in Texas.

The Texas health department has reported 702 cases of measles in the state on Tuesday, an increase of 19 cases since May 2, as the U.S. battles one of its worst outbreaks of the childhood disease. As of May 1,

None of the measles cases reported in Dallas-Fort Worth have been connected to the large outbreak that began in Gaines County earlier this year.