New H5N1 bird flu variant found in Nevada dairy worker

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 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.
New Bird Flu Strain Emerges In Nevada Dairy Cattle, Sparking Pandemic Concerns
A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time been found in infected U.S. dairy cattle.
Cows infected by lethal bird flu strain never before seen in the animal showing respiratory symptoms, Nevada says
At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state agriculture officials confirmed Wednesday, and respiratory symptoms like coughing and sneezing have been reported.
Deadly version of H5N1 bird flu spills over into Nevada dairy cattle
A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples collected from Nevada dairy herds.
Second bird flu strain detected in dairy cattle for first time; case was in Nevada
U.S. dairy cattle tested positive for a strain of bird flu that previously had not been seen in cows, the U.S. Department of Agriculture said.
H5N1 bird flu spills over again; Nevada cows hit with different, deadly strain
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. It's the same strain that killed a Louisiana resident in early January and sent a Canadian teenager to intensive care in early November.
New Bird Flu Strain in Nevada Dairy Cows Sparks Pandemic Fears
Nevada dairy cattle infected with a new bird flu strain, Type A H5N1 D1.1, raising concerns of multiple transmission channels.
New bird flu variant found in dairy cattle. Can H5N1 be transmitted to humans?
Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from wild birds in late 2023 or early 2024. The USDA confirmed the virus's existence in the Nevada dairy cattle through milk sampling, the agency said.
Second strain of bird flu found in Nevada dairy cows
Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds ...
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All the Latest Unnerving Bird Flu Developments
A new H5N1 strain has been spotted in cows and New York is temporarily closing live poultry markets, among other warning ...