A second type of the virus, D1.1, has been detected in dairy cattle in Nevada, US. A second type of bird flu H5N1 detected in ...

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

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 ...