Episode Details

U.S. officials are on high alert as the New World screwworm, a flesh-eating fly larva, approaches the border from Mexico. The latest confirmed case is less than 100 miles away, threatening Texas ranchers and the $600 billion livestock industry. The screwworm burrows into wounds, causing damage or death if untreated. Eight new cases in Mexicos Tamaulipas state, near the border, show the screwworms northward push from South America and the Caribbean. Ranchers are urged to inspect herds daily for signs of the pest. The CDC advises doctors in southern states to watch for patients with larvae in wounds or recent travel to affected areas. Everyone should cover open cuts, use permethrin-based bug spray, and avoid self-removal of maggots. Containment efforts are intensifying to protect the food supply and prevent the screwworm from crossing the border.

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