4 days ago · A multistate outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on March 25, 2024. This is the first time that these bird flu viruses had been found in cows. In the United States, since 2022, USDA APHIS has reported HPAI A (H5N1) virus detections in more than 200 mammals.

1 day ago · 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.

1 day ago · 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.

1 day ago · A new variant of the H5N1 bird flu has infected dairy cattle in Nevada, according to the United States Department of Agriculture. This specific genotype, D1.1, is distinct from the B3.13 genotype ...

1 day ago · The Centers for Disease Control and Prevention says that 40 out of the 67 confirmed human bird flu cases since 2024 have been linked to exposure to dairy cows sick with the virus. Most of the ...

3 days ago · 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. Until recently, all dairy herd detections in the U ...

3 days ago · Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of ...

2 days ago · 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.. 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.

2 days ago · Dairy cows in Nevada have been infected with a new form of bird flu that is distinct from the version that has been spreading through herds over the last year, the U.S. Department of Agriculture ...

5 days ago · Highly pathogenic avian influenza (HPAI) was identified in U.S. dairy cattle for the first time in March 2024. Here are important details.