# Atypical Pathogenicity of Avian Influenza (H3N1) Virus Involved in Outbreak, Belgium, 2019 - Volume 26, Number 8—August 2020 - Emerging Infectious Diseases journal - CDC

> A study in Emerging Infectious Diseases describes a 2019 H3N1 avian influenza outbreak among commercial poultry in Belgium. Genome analysis points to wild bird origin, and the virus caused reproductive problems and substantial mortality on farms.

- Date: 2020-07-03 · published 2020-07-03T12:00:00.000Z
- Category: disease · region Belgium · magnitude low
- Page: https://feedsoft.ai/events/51997-atypical-pathogenicity-of-avian-influenza-h3n1-virus-involved-in-outbreak
- 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 findings highlight wild bird reservoirs as a source of poultry outbreaks, but the 2019 event is past and has no clear near-term effect on feed or meat prices.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2020-06-18 | [Sub-Saharan Africa and Eurasia Ancestry of Reassortant Highly Pathogenic Avian Influenza A(H5N8) Virus, Europe, December 2019 - Volume 26, Number 7—July 2020 - Emerging Infectious Diseases journal - CDC](https://feedsoft.ai/events/52487-sub-saharan-africa-and-eurasia-ancestry-of-reassortant-highly-pathogenic-avian.md) | -5.8% | +1.7% |
| HOGS | 2026-03-15 | [The so-called "three major livestock infectious diseases" such as highly pathogenic avian influenza .. - MK](https://feedsoft.ai/events/15926-the-so-called-three-major-livestock-infectious-diseases-such-as-highly.md) | -1.0% | -2.2% |
| HOGS | 2017-08-07 | [Uganda's Rapid Response to Avian Influenza Virus Outbreak in Birds  \| Division of Global Health Protection \| Global Health \| CDC](https://feedsoft.ai/events/69310-uganda-s-rapid-response-to-avian-influenza-virus-outbreak-in-birds-division-of.md) | +0.2% | -20.7% |
| HOGS | 2026-01-28 | [Following the outbreak of highly pathogenic avian influenza (AI) and African swine fever (ASF) in Je.. - MK](https://feedsoft.ai/events/15938-following-the-outbreak-of-highly-pathogenic-avian-influenza-ai-and-african.md) | +0.1% | +5.6% |
| HOGS | 2023-08-10 | [PAHO:  Epidemiological Update - Outbreaks of avian influenza caused by influenza A(H5N1) in the Region of the Americas - August 2023 \| FluTrackers](https://feedsoft.ai/events/16164-paho-epidemiological-update-outbreaks-of-avian-influenza-caused-by-influenza-a.md) | -13.5% | -17.1% |
| SBM | 2020-06-18 | [Sub-Saharan Africa and Eurasia Ancestry of Reassortant Highly Pathogenic Avian Influenza A(H5N8) Virus, Europe, December 2019 - Volume 26, Number 7—July 2020 - Emerging Infectious Diseases journal - CDC](https://feedsoft.ai/events/52487-sub-saharan-africa-and-eurasia-ancestry-of-reassortant-highly-pathogenic-avian.md) | -0.4% | -0.3% |
| SBM | 2017-08-07 | [Uganda's Rapid Response to Avian Influenza Virus Outbreak in Birds  \| Division of Global Health Protection \| Global Health \| CDC](https://feedsoft.ai/events/69310-uganda-s-rapid-response-to-avian-influenza-virus-outbreak-in-birds-division-of.md) | -1.8% | -3.4% |
| SBM | 2026-01-28 | [Following the outbreak of highly pathogenic avian influenza (AI) and African swine fever (ASF) in Je.. - MK](https://feedsoft.ai/events/15938-following-the-outbreak-of-highly-pathogenic-avian-influenza-ai-and-african.md) | -0.5% | +7.5% |

## Sources

- wwwnc.cdc.gov: https://wwwnc.cdc.gov/eid/article/26/8/19-1338_article

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