Volume 30, Number 8—August 2024
Research Letter
Novel Genotypes of Highly Pathogenic Avian Influenza H5N1 Clade 2.3.4.4b Viruses, Germany, November 2023
Ann Kathrin Ahrens, Anne Pohlmann, Christian Grund, Timm Harder, and Martin Beer
Table
Number of HPAI and LPAI virus subtypes identified from 244 sequences from 33 viruses collected in Germany, late May to late November 2023
| Subtype | Wild birds | Poultry | Captive birds |
|---|---|---|---|
| HPAI H5N1† | 12 | 4 | |
| LPAI H11N9 | 1 | ||
| LPAI H2N3 | 1 | ||
| LPAI H3N8 | 3 | ||
| LPAI H4N6 | 2 | ||
| LPAI H5N2† | 1 | 2 | |
| LPAI H5N3 | 1 | ||
| LPAI H5N4 | 1 | ||
| LPAI H6N4 | 1 | ||
| LPAI H9N2 | 3 | 1 |
*HPAI, highly pathogenic avian influenza; LPAI, low pathogenicity avian influenza. †Shared genome segments with HPAI virus subtype H5N1.
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