New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Although the avian flu (H5N1) virus may not be making the news as frequently, it is still working hard behind the scenes, ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some experts of a pandemic.

More than 100 federal scientists who track bird flu, including vaccine and food safety experts, have been laid off. This comes as the deadly pathogen rips through dairy herds and poultry flocks.

Vaccinating birds against bird flu reduces the spread of the disease, but may have unintended consequences. This is the warning of a new paper in the journal Science Advances, which concluded that ...

The U.S. Centers for Disease Control and Prevention said on Monday it has ended its emergency response for H5N1 bird flu, ...

Cambodia’s Ministry of Health recently confirmed the country’s twelfth human case of H5N1 avian influenza so far this year.

There have been 68 human cases of bird flu — flu strain H5N1 — in the U.S. since the beginning of 2024, mostly arising from contact with infected cattle and poultry. Infectious disease experts ...

A recent crop of human cases at a chicken farm highlight the risks of the ongoing outbreak. Here's what scientists fear could happen next in the evolution of the virus.

Bird Flu Poised To Spark The Next Global Pandemic, Experts Warn Of Rising Risks Scientists identify mutation that could facilitate H5N1 "bird flu" virus infection and potential transmission in humans.

Many countries around the world vaccinate their poultry birds against H5 bird flu viruses, especially in regions where the virus is endemic or where there is a high risk of outbreaks, such as in ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some experts of a pandemic.