Wednesday, April 29, 2026

Highly Pathogenic Avian #Influenza #H5N1 Clade 2.3.4.4b Virus and Mass #Mortality in Eurasian #Cranes, #Germany, 2025

 


Abstract

In autumn 2025, highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus, genotype EA-2024-DI.2.1, caused systemic infections leading to a mass mortality event among the western migrating subpopulation of Eurasian cranes (Grus grus) in Germany. Gregarious behavior at feeding and resting sites likely promoted rapid viral spread within the population.

Source: 


Link: https://wwwnc.cdc.gov/eid/article/32/5/26-0170_article

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