Cases in avian influenza, better known as bird flu, are continuing to rise nationwide. In New York, the virus has primarily affected geese and raptors. But with one human death reported out of Louisiana,

The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that were infected through the nose or oesophagus did not. All animals infected with the virus still shed infectious virus particles, meaning they could infect other animals.

The research team, studying the efficacy of a preventive antibody-based therapy, found it successfully protects monkeys from severe illness caused by Bird flu (H5N1). The researchers realised the neutralising antibody targets a stable region of the virus,

If and when bird flu -- already widespread in cattle, cats and other mammals -- gains the ability to transmit between people, the best Americans can hope for is to "control the speed of the train" with vaccines,

Bird flu hits Nevada as its effects remain visible at grocery stores. Susanne Rust hated to say it, but she did: “I think the H5N1 bird flu outbreak is going to continue to pest

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. Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the people who work closely with them.

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the state.

The new strain, D1.1, is different from the strain, B3.13, that has been detected in other dairy herds throughout the country, but has been connected to serious infections in humans.

"I think the length of the road before [we see] a mutation that allows easier entry into our lungs is much shorter than people think."