Flesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd
Flesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd
www.nbcnews.com
Flesh-eating screwworm returns to U.S. after 60 years, threatening cattle herd
The case of New World screwworm was confirmed in a 3-week-old calf in La Pryor, Texas, near the U.S.-Mexico border, Agriculture Secretary Brooke Rollins said.
