2nd bird flu strain found in US dairy cattle, USDA says

USDA confirms spillover of 2nd H5N1 avian flu genotype into dairy cattle
Until now, all dairy herd H5N1 detections have involved the B3.13 genotype, thought to be the result of a single spillover from wild birds in late 2023 or early 2024. The genotype has been linked to mild infections in dairy workers, along with some poultry cullers, with conjunctivitis the main symptom.
USDA detects second avian influenza strain in dairy cattle
The US Department of Agriculture (USDA) has detected a bird flu strain in dairy cattle that previously had not been seen in cows, Reuters reported, citing the agency's Animal and Plant Health Inspection Service on Wednesday.
US 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 (USDA) announced on Wednesday.
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.
Second form of bird flu already linked to death of Louisiana senior now detected in dairy cattle
Nevada dairy cows have been infected with a new form of bird flu, the Department of Agriculture announced Wednesday. The news signifies that the H5N1 virus has spilled from birds into cows at least twice.
Second bird flu strain found in US dairy cattle, USDA says
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 on Wednesday, ramping up concerns about the persistent spread of the virus.
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.
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.
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.
thedailyaus2h
Australia is now officially clear of a bird flu strain
Australia is now clear of a bird flu strain that led to dozens of farms and properties being shut down in 2024.
Cows Have Been Infected With a Second Form of Bird Flu
The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two ...
Dairy cows infected with second version of bird flu
A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...
WVNS Bluefield on MSN2d
WV Department of Agriculture shuts down poultry exhibitions and other shows in response to avian flu outbreak
In response to a recent outbreak of avian flu in a backyard flock of chickens, the West Virginia Department of Agriculture ...
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 ...
cidrap.umn2d
Avian flu strikes more Nevada dairy herds, leading to starling removal
The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed H5N1 avian flu ...
WMDT1d
Presumptive positive case of avian influenza announced in Worcester Co.
The Maryland Department of Agriculture says it has discovered the first presumptive positive case of H5 avian influenza in ...