A previously near-eradicated flesh-eating parasite has resurfaced in the U.S., prompting urgent containment efforts after a working horse in southern Texas tested positive for the New World screwworm. The infestation, confirmed on the animal’s hind limb, marks the first known equine case in the country, raising concerns among health authorities. Once widespread, the parasite was largely eliminated through targeted eradication programs, but its reappearance now threatens livestock and could spread if left unchecked. Officials are mobilizing to prevent further infections as investigations continue into how the outbreak originated.


The flesh-eating parasite had been largely eradicated, but now authorities are racing to contain an outbreak A horse in southern Texas has been infected with the New World screwworm, marking the first US equine infection as health authorities race to contain an outbreak of the flesh-eating parasite.The pest was discovered on the hind limb of a working ranch horse in Presidio county, according to a statement on Thursday from US Equestrian Foundation. Continue reading...