New Mexico Reports Two More New World Screwworm Cases in Grant County
New Mexico has reported two additional cases of the New World screwworm pest in Grant County, affecting a horse and a calf. These cases represent the third and fourth confirmed instances of the pest in the state.
Albuquerque Santa Fe, NM, October 16, 2026 —
New Mexico has reported two additional confirmed cases of the New World screwworm pest, both in Grant County. The cases involve a horse and a calf, bringing the number of confirmed instances reported in the state to four.
The two newly reported cases are the third and fourth confirmed instances in New Mexico. The information provided does not specify which case was confirmed first or when either of the new cases was identified.
The report identifies the affected animals as a horse and a calf but does not provide their owners’ names, the locations where the animals were found, or details about their condition. It also does not identify the agency or official that reported the cases, or describe any response to them.
No further information was provided about how the cases were detected, whether additional cases are being investigated, or what steps, if any, have been taken following the confirmations. The report does not state whether the cases are connected to one another.
The confirmed count supplied in the report is limited to four instances in New Mexico, including the two newly reported cases in Grant County. No broader information about the pest’s presence or impact was included.
Story summarized from the original created by Source NM Staff on sourcenm.com, see more information here.
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