The first major global review of bird flu in cats reveals an emerging threat of a potential human pandemic. Spring is here, ...

When it comes to tracking and managing bird flu, cats infected with the virus are falling under the radar. Scientists […] ...

In early May, just as the US government was about to implement a long-debated policy regulating gain-of-function research ...

How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way ...

The most recent infections confirmed by the Centers for Disease Control and Prevention were in early February.

Mexico, Chile and Uruguay have halted poultry imports from Brazil after the country confirmed its first bird flu outbreak on ...

Australia is surrounded by the deadly H5N1 strain of bird flu. And it is morphing as sea animals and birds bring it ever closer to these shores.

Brazil, one of the world’s largest producers and exporters of poultry, has confirmed the country’s first bird flu outbreak on ...

Beth Bechdol and Máximo Torero Avian influenza is sweeping through the Americas—devastating poultry farms, disrupting trade, ...

Facing high egg prices, the Trump administration is considering vaccinating poultry against bird flu, but H5N1 is already out of barn. It’s infected nearly 500 species of wild birds and mammals, ...

The first death caused by H5N1 bird flu was reported in January 2025. Some believe the virus could eventually pose a ...