"According to the US Department of Agriculture, SENASICA reported that the infected animal- an 8-month-old cow-had recently been moved to a certified feedlot in Nuevo León from a region in southern Mexico with known active NWS cases. In addition to the proximity, the USDA highlighted that "Sabinas Hidalgo is located near the major highway from Monterrey, Nuevo Leon, to Laredo, Texas, which is one of the most heavily trafficked commercial thoroughfares in the world.""
"In addition to using the bait, Texas officials advise residents of southern Texas to check their pets and livestock for screwworm larvae. Look for draining or enlarging wounds, as well as signs of discomfort. Also look for screwworm larvae (maggots) and eggs in or around body openings, such as the nose, ears, and genitalia, or the navel of newborn animals. While NWS can infect humans-and those cases are grisly -it is relatively rare."
An 8-month-old cow infected with New World screwworm was moved to a certified feedlot in Nuevo León from a southern Mexico region with active cases. Sabinas Hidalgo sits near the major highway from Monterrey to Laredo, increasing the risk of cross-border spread. Texas officials called for aggressive measures including pesticide baiting and urged residents to check pets and livestock for draining wounds, larvae, and eggs around body openings. The U.S. halted imports of cattle, bison, and horses from Mexico and deployed nearly 8,000 traps across Texas, Arizona, and New Mexico; 13,000 screening samples so far are negative.
Read at Ars Technica
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