Federal officials have confirmed that the number of New World screwworm cases in the United States has risen to 19, with all but one in Texas.

What we know: The newest detections include three domestic cases identified June 23 in cattle located in Terrell County, accelerating state and federal containment efforts along the border region.

Federal and state officials have confirmed 18 total cases of the destructive flesh-eating parasite in Texas and one in Lea County, New Mexico.