A new type of bird flu has been found in dairy cows in Nevada
The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again spilled over from birds to cows, and it raises some worrying questions.
Cows infected by lethal bird flu strain 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.
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.
Second type of bird flu detected in US dairy cows
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.
Second form of bird flu found in Nevada cows
A second form of bird flu has been found in Nevada dairy cows, the U.S. Department of Agriculture announced Wednesday.
USDA: Second strain of bird flu detected in cattle for the first time
A second strain of bird flu has been detected in U.S. dairy cattle, marking the first confirmed infections of this particular virus in cows, the U.S. Department of Agriculture said.
USDA confirms Nevada dairy cows infected with 2nd strain of bird flu
On Jan. 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.
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.
Bird Flu Infects Cows For Second Time in Under a Year
Dairy cows in Nevada have been infected with a new strain of bird flu, marking the second strain detected in herds since March.
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 herds in Nevada test positive for newer bird flu strain that’s been linked to severe human infections
Six dairy herds in Nevada have tested positive for a newer strain of the H5N1 bird flu virus that’s been associated with ...
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