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A new United States screwworm case brings the total in the country to sixteen. Mexico has nearly 30,000 reported cases since November 2024, with 1,800 still active, meaning this could quickly escalate if failures to eliminate the parasite persist. According to a United States Department of Agriculture (USDA) screwworm dashboard, the U.S. cases thus far involve cattle, sheep, goats, and one dog. The case confirmed on Monday was in Terrell County, Texas. On Sunday, another case was confirmed in Edwards County, Texas. “The case was identified in a castration site wound. NWS only infests open wounds — it does not…