The U.S. is not yet ready to reopen its border to Mexican cattle amid an outbreak of the flesh-eating New World screwworm parasite, Agriculture Secretary Brooke Rollins said, but she is pleased with Mexico’s efforts to contain the pest.
U.S. border has been closed to Mexican cattle since July due to New World screwworm cases
Human screwworm case was Maryland resident who recovered, state health department says
USDA criticized by cattle producers for failing to take timely measures to prevent screwworm from entering the U.S.
Sterile flys to keep infection out of U.S.