FDA authorizes emergency use of drug to treat New World Screwworm in dogsOctober 28, 2025The agency concluded that “based on the scientific evidence available, it is reasonable to believe that Credelio may be effective in treating New World screwworm (NWS) infestations in dogs and puppies and the known and potential benefits of the product outweigh its known and potential risks.”
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USDA expands efforts to combat deadly New World ScrewwormAugust 19, 2025The USDA will build a sterile fly facility in Edinburg, Texas, to combat NWS. The agency is also investing $100 million in new technologies, traps, and treatments to strengthen biosecurity.
Officials warn of screwworm, prompts monitoring along South Texas borderJanuary 7, 2025While the New World screwworm (NWS) has been eradicated from the U.S. since 1966, constant efforts are on-going to control the spread of the flesh-burrowing parasite.
