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Mexico sees 32% jump in flesh-eating screwworm cases since August as cases move north
Mexico recorded 6,703 screwworm cases by mid-September, up 32% since August, with cattle making up most infections and cases spreading toward the U.S. border.
Senasica's September 26 report found a nearly 32% increase in confirmed New World screwworm cases, with infections becoming more concentrated as they move northward through Mexico.
Mexico recorded by September 13 that animal infestations exceeded counts through August 17 since the New World screwworm outbreak began last year.
State-Level data show Chiapas state remains most affected, Veracruz state cases nearly doubled, and Puebla state recorded confirmed cases for the first time about 80 miles from Mexico City.
The spread has triggered a diplomatic spat as the U.S. blames Mexico for containment gaps, keeping its border mostly closed to Mexican cattle since May while about 42,000 USDA staff were furloughed Wednesday.
Mexico confirmed on September 21 that a Nuevo Leon case was treated promptly, most infections involved cattle, and the United States reported a travel-associated human case earlier this year.