New Strain of Bird Flu in Nevada Reveals a Concerning Mutation
2 days ago · D1.1 is the "current predominant genotype in migratory wild birds", according to the USDA, and it is responsible for a few serious human cases of highly pathogenic avian influenza (HPAI). These include a near-fatal case involving a teen in Canada and the first and only human death related to bird flu in North America thus far, involving a person over the …
New bird flu strain infects Nevada worker; state's first human case
6 hours ago · A new variant of the bird flu has infected a dairy worker in Nevada, marking the state's first human case of the H5N1 avian influenza.. The worker was exposed to the D1.1 strain after working with ...
H5N1 bird flu: Nevada dairy worker infected with newly spilled-over strain
13 hours ago · The bird flu strain H5N1 clade 2.3.4.4b, genotype D1.1 is the predominant strain currently circulating in wild birds in North America and was confirmed for the first time in cows in Nevada last ...
CDC confirms Nevada dairy worker infected with different bird flu strain
1 day ago · The CDC estimates that D1.1 was responsible for 15 of the 68 human cases of bird flu found last year. In addition to Louisiana, D1.1 cases have been found in Iowa, Oregon, Washington and Wisconsin.
Bird flu variant found in Nevada cows shows signs of adaptation …
3 days ago · A few weeks later, in early November, a 13-year-old girl in British Columbia, Canada, also tested positive for H5N1’s D1.1 strain and became severely ill and experienced multiple organ failure.
Cows infected by lethal bird flu strain never before seen in the …
6 days ago · Symptoms seen in humans infected by D1.1 have been more severe than the previous bird flu strain that has been spreading in cows. That strain, called B3.13, has led to only mild symptoms,...
USDA confirms spillover of 2nd H5N1 avian flu genotype into
6 days ago · The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today announced a new spillover of H5N1 avian flu to dairy cattle, which involves the D1.1 genotype currently circulating in wild birds and has been implicated in human infections, including the fatal case in a Louisiana resident who had contact with sick ...
New bird flu infections in Nevada dairy cattle signal the virus may …
Feb 5, 2025 · 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...
Another bird flu strain found in U.S. dairy cattle, USDA says
6 days ago · Genome sequencing of milk from Nevada identified a different strain of H5N1, known as the D1.1 genotype, in dairy cows for the first time, the USDA says. (U.S. Centers for Disease Control and ...
H5N1 bird flu spills over again; Nevada cows hit with different, …
6 days ago · The D1.1 genotype is the predominant strain spreading in migratory birds in the North American flyway this fall and winter, the USDA notes.