Should the flies reach the states, the larvae could infest livestock, pets, wildlife and, possibly, even people.

A detection of the New World Screwworm closer to the United States will keep the ports closed to livestock from Mexico.

The U.S. has closed its southern livestock border after detecting a screw-worm case in Mexico, prompting backlash. Mexico’s ...

The map shows the ports of entry affected by the U.S. Agriculture Department’s announcement and the approximate locations of ...

The U.S. Department of Agriculture announced the border closure after Mexico reported a case of a flesh-eating parasite ...

Representative Kat Cammack (R-FL) spearheaded a recent letter to the Department of Health and Human Services (HHS) urging the ...

The U.S. has again ceased livestock imports from Mexico related to the presence of the parasitic New World screwworm fly closer to the border.

The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved farther ...

Experts will discuss surveillance, response and the latest news about the New World screwworm during a workshop on July 23 in Uvalde.

Ag Secretary Brooke Rollins has announced an immediate and sweeping halt to livestock imports through the southern border in response to the ...

A new case of New World Screwworm (NWS) was reported in Veracruz, Mexico, just 370 miles from the U.S. border. The case was confirmed by SENASICA, Mexico’s agricultural agency, and lies north of ...