After decades of eradication – the New World screwworm has once again spread through several countries in Central America.

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped ...

USDA suspended the import of live cattle, bison and horses through U.S. ports of entry along the southern border as of May 11 ...

The flesh-eating The flesh-eating New World screwworm fly is spreading north through Central America toward the US after decades of eradication. Learn why it's returning and what's being done to stop ...

It’s no longer a question of whether we’ll see a return of New World screwworm in the U.S.—but a matter of when. That’s according to Colin Woodall, CEO of the National Cattlemen’s Beef Association (NC ...

In response to the continued expansion of screwworm flies into southern Mexico, the U.S. suspended live animal imports from Mexico on May 11, 2025, halting imports of feeder cattle from Mexico.

A flesh-eating parasitic fly is invading North and Central America. The consequences could be severe for the cattle industry, ...

Producers of metals and other raw materials fell as traders fled risky sectors in light of a potential escalation of the Israel-Iran conflict. Canadian officials are considering requirements that ...

Commissioners passed a resolution on June 9, encouraging state and national action to prevent the reintroduction of the New World Screwworm to Texas.

The New World screwworm has come back with a vengeance in Mexico. This time, however, it is not only animals targeted, but people as well.

Although no Texas cases had been reported as of Tuesday, Johnson County Commissioner Larry Woolley warned of a potential screwworm fly infestation in mid to late summer. In May, the U.S. Department of ...

Parasitic larvae from flies known as New World screwworm are infesting cattle in Mexico, and officials are racing to slow ...