H5N1 Virus Outbreak News: The Centers for Disease Control and Prevention (CDC) has issued an emergency warning for the H5N1 avian influenza virus, also known as bird flu. The virus, which has ...

H5N1, or Highly Pathogenic Avian Influenza A, is a subtype of influenza A virus that causes avian influenza or flu in cows, birds, and other mammals. However, this highly infectious respiratory ...

CNN reported Saturday night that a worker tested positive for the D1.1 version of the H5N1 bird flu virus. Confirmation testing by the Centers for Disease Control and Prevention is underway.

“No doubt that human infection with highly pathogenic avian influenza (HPAI) A, H5N1 virus that primarily causes bird flu, has a high potential for severe respiratory infection as well as high ...

A surge in H5N1 virus cases among pets, particularly cats, has raised alarms about raw pet food safety. The virus, devastating bird populations nationwide since 2022, has infected cats through ...

The detection indicates that distinct forms of the virus, known as Type A H5N1, have spilt over from wild birds into cattle at least twice in the US. Experts said it raises new questions about ...

A new version of the H5N1 bird flu virus has been detected in milk samples collected from dairy herds in Nevada. The strain, known as D1.1, had so far been associated only with migrating birds and ...

“This is the first detection of this virus genotype in dairy cattle ... Nevada cows first tested positive for H5N1 in December 2024. State officials leveled some of the blame at a “nuisance ...

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 ...

The H5N1 bird flu virus first emerged in southern China in 1996 and caused large outbreaks in poultry in Hong Kong in 1997. The outbreak was controlled but not eradicated and resurfaced in 2003.

Now, with a second introduction of the virus, hopes are likely dashed that containment is possible. The spread of H5N1 bird flu in dairy cows is unprecedented; the US outbreak is the first of its ...