A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator. Around the same time, a senior in Louisiana was diagnosed with the first "severe" case in the U.S.

U.S. President Joe Biden's outgoing administration announced Friday that it will allocate $306 million to bolster the nation's bird flu response before President-elect Donald Trump takes office. The new funding will support national,

Stanford University researchers have developed a way to make the seasonal flu vaccine stronger against more strains, potentially including those that cause bird flu, the university said this month. By stitching together four molecules found in the standard vaccine,

As the so-called bird flu wreaks havoc on chicken and dairy farms, scientists warn a new human pandemic could be on the horizon. But researchers at the La Jolla Institute for Immunology say our immune systems can offer some protection.