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Coverage dated May 11, 2025

U.S. suspends importation of live cattle from Mexico over screwworm pest

Headline from CBS News

The screwworm is a larva of the Cochliomyia hominivorax fly that can invade the tissues of any warm-blooded animal, including humans.

CBS News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

Read the reports

Reports & sources

15 articles, oldest first.

  1. Bloomberg

    US Halts Cattle Imports Via Southern Border Over Screwworm Pest (opens Bloomberg)

    Published

    Bloomberg's feed description

    The US said it is suspending imports of live cattle, horse, and bison via ports along the southern border because of the spread of the screwworm pest in Mexico.

  2. NPR

    U.S. halts cattle imports from Mexico, citing fears of flesh-eating maggot (opens NPR)

    Published

    NPR's feed description

    The New World screwworm is endemic in parts of Latin America and the Caribbean — and its northward spread into Mexico has alarmed U.S. officials. It can kill a full-grown cow in one to two weeks.

  3. CBS News

    U.S. suspends importation of live cattle from Mexico over screwworm pest (opens CBS News)

    Published

    CBS News's feed description

    The screwworm is a larva of the Cochliomyia hominivorax fly that can invade the tissues of any warm-blooded animal, including humans.

  4. Fox10 Phoenix

    Screwworm threat forces US to halt cattle imports from Mexico: What to know (opens Fox10 Phoenix)

    Published

    Fox10 Phoenix's feed description

    The U.S. has suspended imports of live cattle from Mexico amid the threat of a flesh-eating maggot known as the New World screwworm (NWS).

  5. MyNorthwest

    US suspends Mexican live cattle exports over screwworm pest (opens MyNorthwest)

    Published

    MyNorthwest's feed description

    MEXICO CITY (AP) — The United States will suspend Mexican exports of live cattle for 15 days to review the joint strategy in the fight against the screwworm,

  6. NBC 5 Dallas-Fort Worth

    USDA suspends cattle, horse, bison imports through Mexico border after rising screwworm cases (opens NBC 5 Dallas-Fort Worth)

    Published

    NBC 5 Dallas-Fort Worth's feed description

    The U.S. Department of Agriculture announced the suspension of cattle, horse and bison after rising cases of screwworm in South America hit Mexico.

  7. Latin Times

    Imports from Mexico Halted After Flesh-Eating Parasite Found in Livestock (opens Latin Times)

    Published

    Latin Times's feed description

    Imports from Mexico have been halted following the detection of New World screwworm maggots in livestock coming into the U.S.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.