H7N9 — is detected in at a poultry farm; scientists learn past human flu exposure may provide some immunity to H5N1.

A United Nations food agency warned that the continued spread of the H5N1 bird flu virus is an unprecedented food security ...

The most well-known HPAI subtype circulating today is H5N1. Since early 2024, H5N1 has been causing outbreaks among cows ...

A United Nations health agency has called the spread of H5N1 bird flu "unprecedented" and called on world leaders to ...

Scientists are sounding alarms about a genetic mutation that was recently identified in four dairy cow herds, nearly one year ...

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian influenza virus, according to new research from the Perelman School of Medicine ...

Raw cheese made with milk from dairy cattle infected with bird flu can harbor infectious virus for months and may be a risk ...

Bird flu seems to be rapidly picking up steam these ... so further testing needed to be done to ensure the product did not contain H5N1. However, after the initial case triggered an investigation ...

Feb. 26, 2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in ... Backyard Poultry Face Bird ...

Feb. 26, 2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in ... Backyard Poultry Face Bird ...

In 1997, avian influenza virus (H5N1) caused severe human disease in Hong Kong. One of 9 infected children and 5 of 9 infected adults died. Investigators hypothesized that this virus is lethal ...