The US Department of Agriculture confirmed an additional three cases of New World screwworm, bringing the total number of detections in the US to five and raising concerns over a broader spread of the parasite.
The fly was detected in a calf in La Salle County, Texas, a goat in Gillespie County, Texas, and a dog in New Mexico, the agency said Monday. That comes after two cases were confirmed last week in calves in Zavala County in South Texas, marking the first US detection of the fly in over a decade, and the first in cattle in about five ...
