On January 31, 2025, the USDA Animal and Plant Health Inspection Service (APHIS) National Veterinary Services Laboratories (NVSL) confirmed by whole genome sequence the first detection of highly pathogenic avian influenza (HPAI) H5N1 clade 2.3.4.4b, genotype D1.1 in dairy cattle.

4 days ago · NEW YORK (AP) — A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading in U.S. herds since last year, federal health officials said Monday.. The illness was considered mild. The person’s main symptom was eye redness and irritation, similar to most bird flu cases associated with dairy cows.

Feb 6, 2025 · A variant of H5N1 bird flu that has circulated widely in wild birds — and in several instances led to severe illness in humans — has turned up in dairy cattle for the first time.

Feb 6, 2025 · A bird flu variant linked to the death of a Louisiana resident has now been found in cattle in Nevada.

Feb 5, 2025 · Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of...

Feb 3, 2025 · The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed H5N1 avian flu detections in Nevada dairy herds—the state's first since December—along with several more detections in US poultry flocks.

Jan 24, 2025 · As of Dec. 6, 2024, detections of H5N1 in dairy cattle have been reported in Nevada. This is an evolving situation, and requirements are subject to change with minimal notice. Please continue to monitor your email and the Nevada Department of Agriculture (NDA) for up-to-date information.

3 days ago · A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, the Centers for Disease Control and Prevention has confirmed.

Feb 5, 2025 · Six dairy herds in Nevada have been infected with a new type of bird flu that’s different from the version that has spread in U.S. herds since last year, Agriculture Department officials said...

Confirming Highly Pathogenic Avian Influenza (HPAI) in Nevada’s dairy cows is worrying for the dairy industry. It started in Nye County and has now spread to Churchill County, leading to quarantines and mandatory testing on affected farms.