# Strain of Multidrug-Resistant Salmonella Newport Remains Linked to Travel to Mexico and U.S. Beef Products — United States, 2021–2022  | MMWR

> CDC reports a persisting multidrug-resistant Salmonella Newport strain whose human infections doubled in 2021 from the three-year baseline. Beef products from the US were the suspected or confirmed vehicle in two multistate outbreaks.

- Date: 2023-11-09 · published 2023-11-09T12:00:00.000Z
- Category: disease · region US · magnitude low
- Page: https://feedsoft.ai/events/33111-strain-of-multidrug-resistant-salmonella-newport-remains-linked-to-travel-to
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Food safety outbreaks tied to US beef can prompt consumer caution and recalls, but the effect on cattle and beef prices is typically limited.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2025-04-30 | [United States and Mexico Reach Agreement to Resume Eradication Efforts on New World Screwworm](https://feedsoft.ai/events/25078-united-states-and-mexico-reach-agreement-to-resume-eradication-efforts-on-new.md) | +0.4% | +2.1% |
| LCATTLE | 2024-11-24 | [Mexico Notifies United States of New World Screwworm Detection \| Animal and Plant Health Inspection Service](https://feedsoft.ai/events/27344-mexico-notifies-united-states-of-new-world-screwworm-detection-animal-and-plant.md) | +1.6% | +3.8% |
| LCATTLE | 2025-04-26 | [U.S. Agriculture Secretary Brooke Rollins Demands Mexico Cooperate to Protect U.S. Agricultural Products from Invasive Pests; Threatens Port Closures](https://feedsoft.ai/events/25081-u-s-agriculture-secretary-brooke-rollins-demands-mexico-cooperate-to-protect-u.md) | +0.4% | +3.8% |
| LCATTLE | 2025-07-10 | [Secretary Rollins Takes Decisive Action and Shuts Down U.S. Southern Border Ports to Livestock Trade due to further Northward Spread of New World Screwworm in Mexico \| USDA](https://feedsoft.ai/events/23699-secretary-rollins-takes-decisive-action-and-shuts-down-u-s-southern-border.md) | +2.6% | +6.8% |
| LCATTLE | 2026-06-04 | [UADA economist: Screwworm news will rattle local Texas, New Mexico cattle markets, but consumer prices to remain unchanged](https://feedsoft.ai/events/18764-uada-economist-screwworm-news-will-rattle-local-texas-new-mexico-cattle-markets.md) | +0.6% | -1.0% |
| FCATTLE | 2025-04-30 | [United States and Mexico Reach Agreement to Resume Eradication Efforts on New World Screwworm](https://feedsoft.ai/events/25078-united-states-and-mexico-reach-agreement-to-resume-eradication-efforts-on-new.md) | +0.6% | +0.5% |
| FCATTLE | 2024-11-24 | [Mexico Notifies United States of New World Screwworm Detection \| Animal and Plant Health Inspection Service](https://feedsoft.ai/events/27344-mexico-notifies-united-states-of-new-world-screwworm-detection-animal-and-plant.md) | +1.0% | +0.9% |
| FCATTLE | 2025-04-26 | [U.S. Agriculture Secretary Brooke Rollins Demands Mexico Cooperate to Protect U.S. Agricultural Products from Invasive Pests; Threatens Port Closures](https://feedsoft.ai/events/25081-u-s-agriculture-secretary-brooke-rollins-demands-mexico-cooperate-to-protect-u.md) | +1.5% | +3.4% |

## Sources

- cdc.gov: https://www.cdc.gov/mmwr/volumes/72/wr/mm7245a3.htm

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