Laboratory tests have confirmed the presence of the avian influenza H5N1 ... (H7N9). Bird flu or avian influenza, primarily affects birds, but can rarely infect humans in certain circumstances ...

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 ...

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 ...

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

The USDA has determined that pasteurized milk will not transmit this H5N1 virus to humans. Raw milk sales are legal in Nevada, but there are no farms certified to sell it, according to the department.

An analysis of individuals with laboratory-confirmed highly pathogenic A(H5N1) virus infections in the United States reveals conjunctivitis as the primary symptom affecting those exposed to ...

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 ...

The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two sets of infections — and that it could continue to do so.

More: Here's how egg prices have increased over the decades 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 ...

Scientists are closely watching the new infections in Nevada because gene sequences from affected cattle have shown that they are a subtype of the H5N1 virus, D1.1, which has been associated with ...