# US New World Screwworm Cases Climb to 79 Across Three States

> USDA data reported November 1 show 79 confirmed New World screwworm cases in the US since the outbreak began in June, with 25 still active. Cases are now confirmed in Texas, New Mexico and Arizona, and surveillance has been expanded after a recent uptick following a drop in August and September.

- Date: 2026-11-03 · published 2026-11-03T12:14:16.675Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/77627-us-new-world-screwworm-cases-climb-to-79-across-three-states
- Commodities: [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md), [Live Cattle](https://feedsoft.ai/c/LCATTLE.md)

## Why it matters

Cattle disease spread in the US tightens livestock movement controls and border trade, which can reduce feeder cattle supply and support live and feeder cattle prices.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| 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% |
| FCATTLE | 2025-08-15 | [USDA Announces Sweeping Plans to Protect the United States from New World Screwworm \| USDA](https://feedsoft.ai/events/23277-usda-announces-sweeping-plans-to-protect-the-united-states-from-new-world.md) | +4.7% | +2.9% |
| FCATTLE | 2026-05-01 | [More Screwworm Cases in Mexico Threaten Cattle Trade With US](https://feedsoft.ai/events/19652-more-screwworm-cases-in-mexico-threaten-cattle-trade-with-us.md) | -2.0% | -6.8% |
| FCATTLE | 2025-08-18 | [All-out effort to fight New World screwworm needed](https://feedsoft.ai/events/23286-all-out-effort-to-fight-new-world-screwworm-needed.md) | +4.1% | +3.7% |
| FCATTLE | 2024-11-25 | [US suspends Mexican cattle imports after New World screwworm case \| Reuters](https://feedsoft.ai/events/27346-us-suspends-mexican-cattle-imports-after-new-world-screwworm-case-reuters.md) | +1.0% | +0.9% |
| 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 | 2025-08-15 | [USDA Announces Sweeping Plans to Protect the United States from New World Screwworm \| USDA](https://feedsoft.ai/events/23277-usda-announces-sweeping-plans-to-protect-the-united-states-from-new-world.md) | +1.1% | -0.1% |
| LCATTLE | 2026-05-01 | [More Screwworm Cases in Mexico Threaten Cattle Trade With US](https://feedsoft.ai/events/19652-more-screwworm-cases-in-mexico-threaten-cattle-trade-with-us.md) | +0.1% | +1.1% |

## Sources

- global-agriculture.com: https://www.global-agriculture.com/animal-health-welfare/us-new-world-screwworm-cases-climb-to-79-across-three-states/

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