Coverage dated September 15, 2026 to September 18, 2026

2nd New World screwworm case confirmed in New Mexico

Headline from KVIA El Paso

Newest development Sep 17, 2026 · 4 reports2nd New World screwworm case confirmed in New Mexico

(KVIA) -- New Mexico animal health officials confirmed a second New World screwworm case in the state. It was found in a horse in Grant County, which is west of Deming. State and federal officials expanded surveillance and fly-trapping around the location to find any additional cases and determine w…

KVIA El Paso'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

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Texas horse tests positive for New World screwworm

    Headline from Fox7 Austin ·

  2. Newest

    2nd New World screwworm case confirmed in New Mexico

    Headline from KVIA El Paso ·

Read the reports

Reports & sources

6 articles, oldest first.

  1. Breitbart News

    FIRST: New World Screwworm Found in Horse near Texas Border with Mexico (opens Breitbart News)

    Published

    Breitbart News's feed description

    For the first time this century, a horse in a Texas border county has been found infested with the New World screwworm (NWS). The flesh-eating screwworm was found on the hind limb of a working horse in Presidio County, Texas, according to U.S. Equestrian Federation officials.

  2. Fox7 Austin

    Texas horse tests positive for New World screwworm (opens Fox7 Austin)

    Published

    Fox7 Austin's feed description

    The first confirmed case of New World screwworm in a horse has been detected in Presidio County, Texas, according to the U.S. Department of Agriculture. Presido County horse infected with New World screwworm The U.S.

  3. KRQE Albuquerque

    2nd New World screwworm case in New Mexico confirmed in Grant County (opens KRQE Albuquerque)

    Published

    KRQE Albuquerque's feed description

    GRANT COUNTY, N.M. (KRQE) – New Mexico officials announced the discovery of a second New World screwworm case in the state, less than a month after infested zone restrictions were lifted. A spokesperson for the New Mexico Department of Agriculture confirmed the case in a horse in Grant County.

  4. The Hill

    Horse in New Mexico infected with screwworm before Mexico livestock imports resume (opens The Hill)

    Published

    The Hill's feed description

    A new case of New World screwworm was confirmed in a horse in New Mexico Thursday, days before the state was set to resume livestock imports from Mexico. The infected horse was in Grant County near the Mexican border, according to the Department of Agriculture.

  5. Vail Daily

    Animal Hour: New World Screwworm (opens Vail Daily)

    Published

    Vail Daily's feed description

    A parasite rarely encountered in the United States is receiving renewed attention after New World screwworm was detected in Texas in June 2026. The parasite has also been detected in New Mexico. While the primary...

  6. KVIA El Paso

    2nd New World screwworm case confirmed in New Mexico (opens KVIA El Paso)

    Published

    KVIA El Paso's feed description

    (KVIA) -- New Mexico animal health officials confirmed a second New World screwworm case in the state. It was found in a horse in Grant County, which is west of Deming. State and federal officials expanded surveillance and fly-trapping around the location to find any additional cases and determine w…