A new variant of the bird flu has infected a dairy worker in Nevada, marking the state's first human case of the H5N1 avian influenza. The worker was exposed to the D1.1 strain after working with ...

Concerns about the spread of the H5N1 outbreak intensified after the US Department of Agriculture confirmed the presence of a second strain of bird flu in dairy cows in Nevada, marking the first ...

US President Donald Trump's administration on Wednesday canceled a $590 million contract with Moderna to develop an avian flu ...

During a call with U.S. doctors this month, one CDC official noted that there is a seasonality to bird flu: Cases peak in the ...

Let’s start with cows, which have already been battling H5N1 for about a year ... among poultry — was identified in dairy herds in Nevada and Arizona this month. This means even if ...

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

The Trump administration on Wednesday canceled a $766 million contract with Moderna that funded efforts to develop a vaccine against flu viruses, including H5N1 bird flu.

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

Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of ...