Update on Delaware H5 Avian Influenza Case on Kent County Farm

The U.S. Department of Agriculture’s National Veterinary Services Laboratory (NVSL) has returned results from the Kent County, Del. poultry farm that was announced presumptive positive for H5 avian influenza on January 3, 2025. The poultry affected had highly pathogenic H5 avian influenza (HPAI) of the Eurasian lineage 2.3.4.4b with early indications that the virus is the D1.1 genotype found in wild birds; however, confirmation of the genotype is determined by sequencing. There is currently no timeline for the receipt of this data by the Delaware Department of Agriculture.

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