3 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.

Feb 5, 2025 · Avian influenza virus type A (H5N1) has been confirmed in dairy cattle in 16 states: 744 herds in California, 64 in Colorado, 35 in Idaho, 30 in Michigan, 27 in Texas, 13 each in Iowa and Utah, nine each in Minnesota and New Mexico, seven each in Nevada and South Dakota, four in Kansas, two in Oklahoma, and one each in North Carolina, Ohio, and ...

1 day ago · Several dairy cattle herds in Nevada have tested positive for a strain of H5N1 avian influenza that is different from the one that has been predominantly infecting such cattle since last March ...

Feb 6, 2025 · 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.

Feb 6, 2025 · Cow infections led to 40 of the 67 confirmed human cases of highly pathogenic avian influenza in the United States since early 2024, according to the U.S. Centers for Disease Control and Prevention.

Feb 6, 2025 · Deadly strain of bird flu linked to man's 2024 death appears in Nevada dairy cows 02:38. At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen ...

Feb 6, 2025 · A version of the H5N1 bird flu virus known as B3.13 was confirmed in March after being introduced to cattle in late 2023, scientists said. It has infected more than 950 herds in 16 states. The new version, known as D1.1, was confirmed in …

Feb 6, 2025 · A variant of H5N1 bird flu that has circulated widely in wild birds — and in several instances led to severe illness in humans — has turned up in dairy cattle for the first time. The findings ...

Apr 8, 2024 · The H5N1 strain of avian influenza has been found in dairy cows, raising concerns among scientists about what the spillover could mean for humans—and whether the virus has pandemic potential.

Mar 26, 2024 · The bird flu virus that has wreaked havoc around the world appears to have surfaced in U.S. dairy cows, the first time this viral subtype has been documented in any cattle. Three U.S. states—Texas, Kansas, and New Mexico—on 25 March reported cows sickened with what scientists are presuming is the same H5N1 strain of influenza that has ...