# Avian influenza overview December 2022 – March 2023

> An EFSA Journal overview covers highly pathogenic avian influenza in Europe from December 2022 to March 2023. It reports continued spread of the H5N1 lineage in domestic and wild birds, mammal infections, and mutations linked to mammal adaptation. The overview updates the previous December 2022 report.

- Date: 2023-03-01 · published 2023-03-01T12:00:00.000Z
- Category: report · region EU · magnitude low
- Page: https://feedsoft.ai/events/16203-avian-influenza-overview-december-2022-march-2023
- 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

Continued poultry infections in Europe support tighter chicken supply and firmer demand for alternative proteins. The report itself confirms an ongoing risk rather than a new supply shock.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2024-03-01 | [Avian influenza overview December 2023–March 2024](https://feedsoft.ai/events/16108-avian-influenza-overview-december-2023-march-2024.md) | -0.8% | +1.7% |
| HOGS | 2023-12-01 | [Avian influenza overview September–December 2023](https://feedsoft.ai/events/16131-avian-influenza-overview-september-december-2023.md) | -1.9% | -3.3% |
| HOGS | 2023-01-01 | [Avian influenza overview September – December 2022](https://feedsoft.ai/events/16216-avian-influenza-overview-september-december-2022.md) | -6.0% | -10.9% |
| HOGS | 2025-07-01 | [Avian influenza overview March–June 2025](https://feedsoft.ai/events/15984-avian-influenza-overview-march-june-2025.md) | -3.3% | -1.7% |
| HOGS | 2023-09-29 | [Avian influenza overview June–September 2023](https://feedsoft.ai/events/16144-avian-influenza-overview-june-september-2023.md) | -3.1% | -14.0% |
| SBM | 2024-03-01 | [Avian influenza overview December 2023–March 2024](https://feedsoft.ai/events/16108-avian-influenza-overview-december-2023-march-2024.md) | +0.4% | -1.3% |
| SBM | 2023-01-01 | [Avian influenza overview September – December 2022](https://feedsoft.ai/events/16216-avian-influenza-overview-september-december-2022.md) | +5.8% | +0.5% |
| SBM | 2023-12-01 | [Avian influenza overview September–December 2023](https://feedsoft.ai/events/16131-avian-influenza-overview-september-december-2023.md) | -4.2% | -11.2% |

## Sources

- doi.org: https://doi.org/10.2903/j.efsa.2023.7917

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