# New World Screwworm Cases Surge Along Southern Border

> Active US screwworm cases rose to 65 in the week to Nov. 11, more than triple the 21 reported on Oct. 19. New Mexico reported 40 confirmed cases, Texas 23 active cases and Arizona six, and a Wyoming beef company questioned whether recently imported Mexican cattle caused the rise.

- Date: 2026-11-12 · published 2026-11-12T12:13:59.543Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/95443-new-world-screwworm-cases-surge-along-southern-border
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Rising cases could lead to movement restrictions and tighter cattle supply, supporting live cattle prices. Renewed concern over Mexican cattle imports could also delay reopening of the border to feeder supply.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2026-04-27 | [New World Screwworm cases surge, yet reopening speculation persists \| The National Provisioner](https://feedsoft.ai/events/19655-new-world-screwworm-cases-surge-yet-reopening-speculation-persists-the-national.md) | +0.6% | +3.2% |
| LCATTLE | 2026-02-24 | [Border closure over New World Screwworm threat ripples across U.S. beef industry](https://feedsoft.ai/events/20539-border-closure-over-new-world-screwworm-threat-ripples-across-u-s-beef-industry.md) | -3.3% | -4.4% |
| LCATTLE | 2026-06-04 | [New World Screwworm Confirmed in US - CME Feeder Cattle Futures Surge After Early Slide](https://feedsoft.ai/events/12085-new-world-screwworm-confirmed-in-us-cme-feeder-cattle-futures-surge-after-early.md) | +0.6% | -1.0% |
| LCATTLE | 2025-09-22 | [Mexico steps up controls after new screwworm case near US border \| AP News](https://feedsoft.ai/events/22810-mexico-steps-up-controls-after-new-screwworm-case-near-us-border-ap-news.md) | -0.8% | +0.3% |
| LCATTLE | 2026-01-06 | [As Screwworm Inches Closer, When Could the U.S. Reopen the Southern Border to Cattle Imports? - Drovers](https://feedsoft.ai/events/21009-as-screwworm-inches-closer-when-could-the-u-s-reopen-the-southern-border-to.md) | -0.1% | +2.2% |
| FCATTLE | 2025-05-27 | [Screwworm cases prompt another border closure](https://feedsoft.ai/events/24640-screwworm-cases-prompt-another-border-closure.md) | +0.5% | +0.6% |
| FCATTLE | 2026-04-27 | [New World Screwworm cases surge, yet reopening speculation persists \| The National Provisioner](https://feedsoft.ai/events/19655-new-world-screwworm-cases-surge-yet-reopening-speculation-persists-the-national.md) | +1.0% | -4.8% |
| FCATTLE | 2026-02-24 | [Border closure over New World Screwworm threat ripples across U.S. beef industry](https://feedsoft.ai/events/20539-border-closure-over-new-world-screwworm-threat-ripples-across-u-s-beef-industry.md) | -1.9% | -1.6% |

## Sources

- theepochtimes.com: https://www.theepochtimes.com/us/new-world-screwworm-cases-surge-along-southern-border-6124023

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.