New Strain of Bird Flu in Nevada Reveals a Concerning Mutation
1 day ago · D1.1 is the "current predominant genotype in migratory wild birds", according to the USDA, and it is responsible for a few serious human cases of highly pathogenic avian influenza (HPAI). These include a near-fatal case involving a teen in Canada and the first and only human death related to bird flu in North America thus far, involving a person over the age of 65 from …
New H5N1 bird flu variant found in Nevada dairy worker as new …
1 day ago · Last week, federal health officials announced that at least four dairy herds in Nevada had been infected by a strain of the H5N1 bird flu that is circulating in wild birds and that led to the ...
Bird flu variant found in Nevada cows shows signs of adaptation …
2 days ago · The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to help the virus copy itself in mammals — including humans — more ...
New bird flu infections in Nevada dairy cattle signal the virus may …
6 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...
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.
New bird flu variant in Nevada cattle adds to concerns over …
4 days ago · 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. The findings ...
New bird flu strain found in dairy cattle; case was in Nevada
5 days ago · Safety, security measures must increase to protect animals from bird flu, officials say. Wild birds likely transmitted the second strain to cattle in Nevada, said J.J. Goicoechea, Nevada's ...
New type of bird flu detected in Nevada dairy cattle
4 days 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.
Cows Have Been Infected With a Second Form of Bird Flu
5 days 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. ... Avian influenza is so called because it is best adapted to ...
H5N1 bird flu spills over again; Nevada cows hit with different, …
5 days ago · Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to this point in the ongoing dairy outbreak.