The CDC says the risk of bird flu to the general public is low, but public health experts say they are worried the virus could mutate and become more transmissible.

The first human death from H5N1 in the United States is an event of historical significance, laying bare the destructive ...

Bird flu continues to spread widely in cattle and wild birds. What challenges does the incoming Trump administration face in tackling the outbreak and preparing for a possible pandemic?

Louisiana has reported the first U.S. fatality from avian influenza. Most of the country’s human cases have been mild ...

There have been four flu pandemics since the start of the 20th century. What we’ve learned—and why we still can’t predict the ...

It is possible that horses were forced to feed on the carcasses of dead birds, the natural carriers of H5N1, as much of ...