APHIS Confirms D1.1 Genotype in Dairy Cattle in Nevada
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.
Avian flu strikes more Nevada dairy herds, leading to starling
3 days ago · Nevada reported its first H5N1 detection in dairy cows in early December 2024, which affected a herd in Nye County, located northwest of Las Vegas. In two recent statements, the Nevada Department of Agriculture (NDA) said the virus had been detected in dairy cattle in Churchill County , which borders Nye County to the northwest.
A different version of bird flu detected in dairy cows in Nevada
1 day ago · A version of the H5N1 bird flu virus known as B3.13 was confirmed in March after being introduced to cattle in late 2023, scientists said. It has infected more than 950 herds in 16 states.
New bird flu infections in Nevada dairy cattle signal the virus may …
2 days ago · 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 ...
H5N1 bird flu spills over again; Nevada cows hit with different, …
1 day ago · The new Nevada dairy infections were first detected through milk testing conducted on January 31, ... The spread of H5N1 bird flu in dairy cows is unprecedented; the US outbreak is the first of ...
Second type of bird flu detected in US dairy cows | AP News
1 day ago · Dairy cattle 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 Wednesday.. The detection indicates that distinct forms of the virus known as Type A H5N1 have spilled over from wild birds into cattle at least twice.
USDA confirms spillover of 2nd H5N1 avian flu genotype into …
2 days ago · A few days ago, APHIS reported four recent H5N1 detections in Nevada dairy herds, the state's first since December. Nevada officials said they were removing large nuisance populations of European starlings to curb the spread of the virus. The non-native species typically migrate through Nevada in the winter and outcompete local birds and pose a ...
Cows Have Been Infected With a Second Form of Bird Flu
1 day ago · The cows in Nevada were infected with a version of the virus known as D1.1, which has been spreading in wild birds and poultry. ... The D1.1 form of H5N1 has also shown itself to be dangerous to ...
Highly Pathogenic Avian Influenza | Livestock Biosecurity
Global Center for Health Security: Is there a vaccine for H5N1 Influenza? Nevada Department of Wildlife: Highly pathogenic avian influenza confirmed in wild bird populations; University of Minnesota-CIDRAP: Study suggests earlier US-licensed H5N1 vaccines prompt antibodies to …
First Highly Pathogenic Avian Influenza detection in dairy cows in Nevada
Dec 6, 2024 · The Nevada Department of Agriculture (NDA) has received evidence of a detection of Highly Pathogenic Avian Influenza (H5N1) in dairy cattle in Nye County. The affected premises has been quarantined and mandatory testing will occur onsite at regular intervals until the herd is confirmed to be virus-free.