HOUSTON, Texas (KTRK) -- Governor Greg Abbott has elevated Texas's New World Screwworm response to Level 2, activating the full use of all state resources to respond to the outbreak.

The news comes just as the total number of screwworm cases rose to four on Monday, according to state officials.

"I have activated the full use of all state resources to respond to the New World Screwworm threat," Gov. Abbott said.