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.

There have been four measles cases reported in the Dallas-Fort Worth area this year: one in Collin County, one in Denton County and two in Rockwall County. State authorities have not officially tied any of those cases to the outbreak that began in Gaines County, and all four appear in the state public health department’s list of “other 2025″ cases.

By Sriparna Roy (Reuters) -Measles cases in Texas rose 3% to 683 over three days, the state's health department reported on Friday, as nationwide cases of the childhood disease approach the 1,000-mark.