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.
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.
A second version of bird flu is infecting cows. What does that mean?
While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.
New Bird Flu Strain Found in U.S. Dairy Cows
A new strain of bird flu has infected dairy cows in Nevada, marking the second time the virus has jumped from birds to cattle. This latest infection — reported by the U.S. Department of Agriculture (USDA) Wednesday — involves a strain of H5N1,
New Bird Flu Strain Detected In Cows In Nevada
A strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in Nevada, the Department of Agriculture reported Wednesday, noting the transition is the first time the strain has been detected in cows.
Respiratory symptoms reported in Nevada cows with lethal bird flu strain
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.
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.
Dairy cows infected with 2nd form of bird flu for the 1st time: USDA
A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.
2nd form of bird flu detected in US cows
A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.
Second type of bird flu detected in US dairy cows
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.
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