A new case of New World screwworm was confirmed in a horse in New Mexico on September 17, 2026. The horse was located in Grant County, which is near the Mexican border, as reported by the New Mexico Department of Agriculture. This marks the second confirmed case of New World screwworm in New Mexico.
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New Mexico Confirms New Case of New World Screwworm in Horse
On September 17, 2026, a horse in Grant County, New Mexico, was confirmed to be infected with New World screwworm. This case comes just days before the state was scheduled to resume livestock imports from Mexico.
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Horse in New Mexico infected with screwworm before Mexico livestock imports resume
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New Mexico Confirms New Case of New World Screwworm in Horse