Officials say bird flu likely widespread in the state. What we know about the H5N1 virus
State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the state.
How are H5N9 and H5N1 different? What to know after California bird flu outbreak
The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a newer variant of the H5N1 virus. That variant is called H5N1 D1.1, the USDA spokesperson said, which has emerged over the past year to dominate U.S. cases in wild birds and poultry.
New bird flu infections in Nevada dairy cattle signal the virus may be here to stay
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 Agriculture.
Deadly H5N1 bird flu becomes an 'existential threat' to biodiversity worldwide
The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in dairy cattle and heightened pandemic risks.
First H5N1 bird flu case confirmed in San Mateo backyard flock
The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity measures.
Bird flu confirmed in Rockland; H5N1 suspected in other dead geese found in Spring Valley
Bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and dairy cows with several recent human cases.
New Bird Flu Strain Found in U.S. Dairy Cows
A new strain of bird flu has infected dairy cows in Nevada, marking the second time the virus has jumped from birds to cattle. This latest infection — reported by the U.S. Department of Agriculture (USDA) Wednesday — involves a strain of H5N1,
New H5N1 Bird Flu Virus Genotype Found In US Cows In Second Spillover Event
Avian flu first made the jump from birds into dairy cows on farms in a number of US states in spring 2024. Until now, all such cases of the H5N1 virus have been ascribed to a genotype called B3.13, but the US Department of Agriculture (USDA) has just announced the detection of a second genotype,
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 announced Wednesday.
2nd form of bird flu detected in US cows
A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.
Second type of bird flu detected in US dairy cows
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.
CDC Weekly Report Back After 2-Week Halt But No H5N1 Bird Flu Info
For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.
Live Bird Markets Ordered to Close in New York After Avian Flu Is Found
The order affects roughly 80 markets in New York City and in several nearby counties. Gov. Kathy Hochul described it as a ...
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Avian Influenza A(H5N1) Virus Infections in the United States: An Overview
A recent study conducted on human A(H5N1) cases in the United States found that conjunctivitis was the primary symptom ...
Live poultry markets ordered shut in New York City due to avian flu outbreak
NEW YORK (AP) — All live poultry markets in New York City and some of its suburbs were ordered Friday to close for a week ...
As U.S. bird flu spreads, hospitals will screen more people. Will Canada?
As bird flu spread among animals soars in the United States, hospitals are being told to proactively screen for potential ...
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New guidance issued on testing for avian flu
Two state health departments have issued new guidance on testing for the bird flu, following a CDC advisory, even as it says ...
New York Is Shutting Down Live Bird Markets After Finding Bird Flu
O n Feb. 7, New York Governor Kathy Hochul issued an order to temporarily close live bird markets after seven cases of avian ...