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Mexico activated emergency controls Monday after detecting a new case of New World screwworm in cattle in the northern border state of Nuevo Leon, the closest case to the U.S. border since the outbreak began last year.

The animal, found in the town of Sabinas Hidalgo, came from the Gulf state of Veracruz, Mexico's National Health for Food Safety and Food Quality Service said.

The last case was reported July 9 in Veracruz, prompting Washington to suspend imports of live Mexican cattle.

WHY SOME STEAKHOUSES ARE THRIVING WHILE OTHERS CAN'T KEEP DINERS COMING BACK: 'NOT JUST ABOUT THE FOOD'

The parasite, a larva of the Cochliomyia hominivorax fly, attacks warm-blooded animals, including humans. Mexico has reported more than

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