The USDA has identified 74 animal cases in the US since parasitic screwworm flies invaded in June, with dogs and a cat attacked this week and a third state now affected. Ars Technica
Ars TechnicaFlesh-eating screwworms spread to third state and are attacking petsUSDA has identified 74 animal cases in US since parasitic flies invaded in June.
What would effective containment of an invasive parasite look like once it has crossed state lines?
