New H5N1 bird flu variant found in Nevada dairy worker

Wild and domestic birds and animals across Nevada tested for bird flu
J Goicoechea, Director of the Nevada Department of Agriculture. Dr. Goicoechea says the fight against bird flu is daunting. “Biggest challenge for us is biosecurity right now, especially when we are talking H5N1,
Nevada dairy worker infected with new bird flu strain becomes state's first human case
A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian influenza.
USDA milk testing shows different strain of H5N1 bird flu in Nevada dairy herds
The USDA said four Nevada dairy herds were infected with an H5N1 bird flu strain that has circulated in wild birds, making prospects for containment in cows appear dim.
New version of bird flu infects Nevada dairy worker
This version of the virus is circulating broadly in wild birds and is different from the virus that has been causing dairy cow outbreaks since early 2024, the CDC said.
Nevada confirms 1st human case of H5N1 bird flu from infected cattle
Nevada just confirmed its first human case of avian flu from infected cattle. Nevada’s first case was found in Churchill County, the Central Nevada Health District announced on Monday.
New H5N1 bird flu variant found in Nevada dairy worker as new data show changes in virus
A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new strain that makes it more lethal in mammals.
Bird flu variant found in Nevada cows shows signs of adaptation to mammals
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 easily, according to a new technical brief from the US Department of Agriculture’s Animal and Plant Health Inspection Service.
New bird flu variant found in dairy cattle. Can H5N1 be transmitted to humans?
The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections. But the U.S. Department of Agriculture confirmed that a strain previously found only in wild birds has turned up in dairy herds in Nevada ‒ raising concerns that future human infections could be more serious.
New strain of bird flu is detected in a Nevada dairy worker, CDC says
Federal health officials say a dairy worker in Nevada has been 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.
New bird flu variant found in Nevada dairy cows has experts sounding alarms: ‘We have never been closer to a pandemic from this virus’
Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists on high alert.
New Strain of Bird Flu in Nevada Reveals a Concerning Mutation
An emerging strain of highly pathogenic avian influenza has spilled over from wild birds to dairy cows in the state of Nevada, and officials at the US Department of Agriculture (USDA) and some scientists are concerned by a mutation they are seeing.
H5N1 bird flu: Nevada dairy worker infected with newly spilled-over strain
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, ...
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USDA confirms new avian influenza genotype in dairy cattle
Originally found mostly in wild birds and poultry, H5N1 clade 2.3.4.4b, genotype D1.1, was discovered in dairy cattle last ...