# New Study Highlights Importance of Bird Flu Surveillance in Live Bird Markets | Bird Flu | CDC

> A CDC-co-authored study of live bird markets in Vietnam from 2017 to 2022 found nearly 40% of samples positive for influenza A, with rising H5 prevalence in 2022. Active surveillance detected more infections than passive reporting.

- Date: 2024-01-31 · published 2024-01-31T12:00:00.000Z
- Category: disease · region Vietnam · magnitude low
- Page: https://feedsoft.ai/events/16125-new-study-highlights-importance-of-bird-flu-surveillance-in-live-bird-markets
- Commodities: [Lean Hogs](https://feedsoft.ai/c/HOGS.md), [Chicken](https://feedsoft.ai/c/CHICKEN.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

The study highlights surveillance methods for avian influenza and pandemic risk rather than reporting a new supply shock. It has no clear implication for poultry feed prices.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2017-06-22 | [South Africa reports outbreak of H5N8 bird flu in Mpumalanga: OIE](https://feedsoft.ai/events/70386-south-africa-reports-outbreak-of-h5n8-bird-flu-in-mpumalanga-oie.md) | +2.7% | -1.1% |
| HOGS | 2024-05-01 | [LIVESTOCK-Bird-flu testing of US ground beef sinks CME cattle futures \| MarketScreener](https://feedsoft.ai/events/5411-livestock-bird-flu-testing-of-us-ground-beef-sinks-cme-cattle-futures.md) | -0.6% | -0.2% |
| HOGS | 2017-10-19 | [New H7N9 Bird Flu Strain in China Has Pandemic Potential - Study - University of Wisconsin School of Veterinary Medicine](https://feedsoft.ai/events/68353-new-h7n9-bird-flu-strain-in-china-has-pandemic-potential-study-university-of.md) | +3.5% | +0.2% |
| HOGS | 2025-02-20 | [Study teases out bird flu infection trends across livestock species - Manitoba Co-operator](https://feedsoft.ai/events/16028-study-teases-out-bird-flu-infection-trends-across-livestock-species-manitoba-co.md) | -1.6% | -3.0% |
| HOGS | 2018-12-11 | [Iran - 3 new outbreaks of highly pathogenic avian influenza H5N8 in birds in villages and livestock market, East Azarbayejan (OIE, December 11, 2018) \| FluTrackers](https://feedsoft.ai/events/61451-iran-3-new-outbreaks-of-highly-pathogenic-avian-influenza-h5n8-in-birds-in.md) | +7.2% | +8.5% |
| SBM | 2017-06-22 | [South Africa reports outbreak of H5N8 bird flu in Mpumalanga: OIE](https://feedsoft.ai/events/70386-south-africa-reports-outbreak-of-h5n8-bird-flu-in-mpumalanga-oie.md) | -1.1% | +10.9% |
| SBM | 2017-10-19 | [New H7N9 Bird Flu Strain in China Has Pandemic Potential - Study - University of Wisconsin School of Veterinary Medicine](https://feedsoft.ai/events/68353-new-h7n9-bird-flu-strain-in-china-has-pandemic-potential-study-university-of.md) | -2.0% | -3.3% |
| SBM | 2025-02-20 | [Study teases out bird flu infection trends across livestock species - Manitoba Co-operator](https://feedsoft.ai/events/16028-study-teases-out-bird-flu-infection-trends-across-livestock-species-manitoba-co.md) | -0.7% | +1.0% |

## Sources

- cdc.gov: https://www.cdc.gov/bird-flu/spotlights/bird-flu-surveillance.html

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