Dec 19 (Reuters) – The United States Department of Agriculture on Friday confirmed that a case of highly pathogenic avian influenza in a Wisconsin dairy herd marked a new spillover event from wildlife to cattle, separate from previous outbreaks. The virus, identified as H5N1 clade 2.3.4.4b genotype D1.1., was confirmed through whole genome sequencing by … Continue reading USDA confirms bird flu case in Wisconsin dairy herd as new wildlife spillover