The strain had previously been found only in birds and people. Most bird flu infections in dairy cattle in the US have been the B3.13 variant, or what’s become known as the “cattle clade.” ...

Feb. 11, 2025 — New research reports, for the first time, the widespread occurrence of biofluorescence in birds-of-paradise. The study, based on specimens collected since the 1800s, finds ...

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S. authorities that a strain of bird flu that scientists call H5N9 had been ...

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States ...

A bird flu prevention zone enforcing strict hygiene standards around domesticated birds has been declared for the whole of England. A rising number of cases and risk avian influenza poses to wild ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including cattle that may have been reinfected. By Apoorva Mandavilli Apoorva ...

As the bird flu outbreak affecting poultry, dairy cows and humans in the U.S. continues to make headlines, here’s what to know about the situation as of January 23. The U.S. reported its first ...

Sky-high egg prices. Millions of dead chickens. A new strain in cattle. Bird flu is making its way around the country, hitting farmers and consumers in their wallets. A second strain of H5N1 ...

It comes as an Avian Influenza Prevention Zone was introduced in Northern Ireland on Saturday following three confirmed cases of bird flu in wild birds in three different countries. Since early ...

Ten months on from the shocking discovery that a virus usually carried by wild birds can readily infect cows, at least 68 people in North America have become ill from the pathogen and one person ...

Birds have many features that distinguish them from other animals alive today, but their earliest ancestors looked noticeably different from the familiar creatures we’ve come to recognise. Although ...

Initial signs included increased duck mortality, prompting state officials to quarantine the farm and cull nearly 119,000 birds. The World Organization for Animal Health (WOAH) confirmed the H5N9 ...