More than two years after H5N1 bird flu was first detected in U.S. dairy cattle, the virus has proven remarkably good at ...

A new diagnostic study has identified the presence of highly pathogenic avian influenza (HPAI) A(H5N1) virus RNA in the semen of an asymptomatic dairy bull, marking a potential shift in how ...

Highly pathogenic avian influenza virus H5N1 – particularly the 2.3.4.4b lineage – has transformed the global disease landscape over recent years. What was once largely a poultry disease causing ...

The first human case of H9N2 influenza virus (bird flu) has been reported in Europe. A human infection was recorded by the Italian Ministry of Health on March 25, 2026. As an influenza virologist, I ...

Scientists have identified global hotspots for avian flu where dense populations of people, cattle, and poultry overlap within a small share of the Earth’s land. These concentrated zones reshape where ...

For the first time, a dead sea lion found in San Luis Obispo County has tested positive for H5N1, commonly known as bird flu. The animal was reportedly found on Morro Strand State Beach. San Luis ...

Bird flu has flown off the national news radar, with only scattered, local reports of dead birds in parks and poultry farms. Is it simply no longer a concern, or have cuts to federal science funding ...

KANAWHA COUNTY, W.Va. (WSAZ) - The West Virginia Department of Agriculture (WVDA) says they’ve confirmed the presence of bird flu, also known as highly pathogenic avian influenza (HPAI), in a backyard ...

Since the beginning of March, highly pathogenic avian influenza has claimed over 350,000 birds in Indiana. “We’re asking all of our producer partners, whether it’s layers or broilers or turkey or ...

Sudden drop in milk production, thickened milk, and cows under movement restrictions. Since 2024, American farmers have had bitter experiences with the feared bird flu (H5N1), which in several cases ...