Summary
A once-eradicated parasite that incubates in the wounds of warm-blooded animals has returned to the US.
Experts link the resurgence of New World screwworm to illegal cattle trafficking by organized crime groups in Central America.
The outbreak threatens billions in damage to the beef industry as officials debate control methods.
AI-generated summary was reviewed by a CNN editor.
When the US Department of Agriculture reported last week that it detected a case of New World screwworm in a Texas calf,…